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  26. <a name="top"></a><h1 class="suptitle">supplementary materials</h1><br /><div class="buttonlinks"><a href="./index.html" target="_parent"><img src="../../../../../graphics/htmlborder.gif" alt="HTML version" align="top" border="0" /></a><a href="./at2626.pdf" ><img src="../../../../../graphics/pdfborder.gif" alt="pdf version" align="top" border="0" /></a><a href="http://scripts.iucr.org/cgi-bin/sendcif?at2626sup1" ><img src="../../../../../graphics/cifborder.gif" alt="cif file" align="top" border="0" /></a><a href="http://scripts.iucr.org/cgi-bin/sendcif?at2626sup1&amp;Qmime=cif" ><img src="../../../../../graphics/3dviewborder.gif" alt="3d view" align="top" border="0" /></a><a href="./at2626Isup2.hkl" ><img src="../../../../../graphics/structurefactorsborder.gif" alt="structure factors" align="top" border="0" /></a><a href="./at2626sup0.html" ><img src="../../../../../graphics/supplementarymaterialsborder.gif" alt="supplementary materials" align="top" border="0" /></a><a href="./at2626checkcif.html" ><img src="../../../../../graphics/checkcifborder.gif" alt="CIF check report" align="top" border="0" /></a><a href="http://scripts.iucr.org/cgi-bin/citedin?at2626" ><img src="../../../../../graphics/citedinborder.gif" alt="cited in" align="top" border="0" /></a><a href="http://scripts.iucr.org/cgi-bin/similar?wordList=hydroxybenzylidene%20or%20dimethylpropane%20or%20diamine&amp;from=at2626" ><img src="../../../../../graphics/similarpapersborder.gif" alt="similar papers" align="top" border="0" /></a>&nbsp;<a href="../../../../../../services/openaccess.html"><img src="../../../../../../logos/free.gif" alt="Open access" align="top" border="0" /></a></div><div class="bibline"><p><i>Acta Cryst.</i> (2008). E<b>64</b>, o1895-o1896&nbsp;&nbsp;&nbsp;&nbsp;[ <font size="2"><a title="Open URL link" href="http://dx.doi.org/10.1107/S160053680802816X">doi:10.1107/S160053680802816X</a></font> ]</p></div>
  27. <h3><span class="it"><i>N</i></span>,<span class="it"><i>N</i></span>'-Bis(5-bromo-2-hydroxybenzylidene)-2,2-dimethylpropane-1,3-diamine</h3><h3><a href="http://scripts.iucr.org/cgi-bin/citedin?search_on=name&amp;author_name=Fun,%20H.-K.">H.-K. Fun</a>, <a href="http://scripts.iucr.org/cgi-bin/citedin?search_on=name&amp;author_name=Kia,%20R.">R. Kia</a> and <a href="http://scripts.iucr.org/cgi-bin/citedin?search_on=name&amp;author_name=Kargar,%20H.">H. Kargar</a></h3>
  28. <div class="abstract">
  29. <a name="abstract"></a>
  30. <div class="heading2">Abstract <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan -->
  31. </div>
  32. <!-- endheading2div --><p>The crystal structure of the title Schiff base compound, C<span class="inf"><sub>19</sub></span>H<span class="inf"><sub>20</sub></span>Br<span class="inf"><sub>2</sub></span>N<span class="inf"><sub>2</sub></span>O<span class="inf"><sub>2</sub></span>, contains two crystallographically independent molecules (<span class="it"><i>A</i></span> and <span class="it"><i>B</i></span>) in the asymmetric unit, with similar conformations. Intramolecular O-H<img alt="..." border="0" src="/logos/entities/ctdot_rmgif.gif" />N (&times; 4) and C-H<img alt="..." border="0" src="/logos/entities/ctdot_rmgif.gif" />N (&times; 5) hydrogen bonds form six- and five-membered rings, producing <span class="it"><i>S</i></span>(6) and <span class="it"><i>S</i></span>(5) ring motifs, respectively. One of the N atoms in molecule <span class="it"><i>A</i></span> acts as a trifurcated acceptor, the rest of the N atoms being bifurcated acceptors. The dihedral angles between the benzene rings in molecules <span class="it"><i>A</i></span> and <span class="it"><i>B</i></span> are 47.83&nbsp;(17) and 61.11&nbsp;(17)&deg;, respectively. The molecular conformation is stabilized by intramolecular O-H<img alt="..." border="0" src="/logos/entities/ctdot_rmgif.gif" />N and C-H<img alt="..." border="0" src="/logos/entities/ctdot_rmgif.gif" />N hydrogen bonds. The short distances between the centroids of the benzene rings [3.7799&nbsp;(19)-3.890&nbsp;(2)&nbsp;&Aring;] indicate the existence of <img alt="[pi]" border="0" src="/logos/entities/pi_rmgif.gif" />-<img alt="[pi]" border="0" src="/logos/entities/pi_rmgif.gif" /> interactions. In addition, the crystal structure is further stabilized by an intermolecular C-H<img alt="..." border="0" src="/logos/entities/ctdot_rmgif.gif" />O hydrogen bond, C-H<img alt="..." border="0" src="/logos/entities/ctdot_rmgif.gif" /><img alt="[pi]" border="0" src="/logos/entities/pi_rmgif.gif" /> interactions, and short intermolecular Br<img alt="..." border="0" src="/logos/entities/ctdot_rmgif.gif" />Br and Br<img alt="..." border="0" src="/logos/entities/ctdot_rmgif.gif" />O contacts [3.4786&nbsp;(5) and 3.149&nbsp;(3)&nbsp;&Aring;, respectively].</p></div>
  33. <!-- endabstractdiv -->
  34. <div class="contentslist">
  35. <ul>
  36. <li class="comment"><a title="Comment" href="#comment">Comment</a></li>
  37. <li class="relatedliterature"><a title="Related literature" href="#relatedliterature">Related literature</a></li>
  38. <li class="experimental"><a title="Experimental" href="#experimental">Experimental</a></li>
  39. <li class="refinement"><a title="Refinement" href="#refinement">Refinement</a></li>
  40. <li class="computingdetails"><a title="Computing details" href="#computingdetails">Computing details</a></li>
  41. <li class="figures"><a title="Figures" href="#figures">Figures</a></li>
  42. <li><a title="(I)" href="#chemicalname1"><i>N</i>,<i>N</i>'-Bis(5-bromo-2-hydroxybenzylidene)-2,2-dimethylpropane-
  43. 1,3-diamine </a><ul>
  44. <li><a title="Crystal data" href="#crystaldata1">Crystal data</a></li>
  45. <li><a title="Data collection" href="#datacollection1">Data collection</a></li>
  46. <li><a title="Refinement data" href="#refinementdata1">Refinement data</a></li>
  47. <li class="specialdetails"><a title="Special details" href="#specialdetails1">Special details</a></li>
  48. <li class="licoords"><a title="Fractional atomic coordinates" href="#fractionalatomiccoordinates1">Fractional atomic coordinates</a></li>
  49. <li class="liadps"><a title="Atomic displacement parameters" href="#atomicdisplacement1">Atomic displacement parameters</a></li>
  50. <li class="ligeomlong"><a title="Geometric parameters" href="#geometricparameters1">Geometric parameters</a></li>
  51. <li class="lihbondslong"><a title="Hydrogen-bond geometry" href="#hydrogen-bondgeometry1">Hydrogen-bond geometry</a></li>
  52. <li class="lihbondsshort"><a title="Hydrogen-bond geometry" href="#hydrogen-bondgeometry1">Hydrogen-bond geometry</a></li>
  53. </ul></li>
  54. <li class="acknowledgements"><a title="Acknowledgements" href="#acknowledgements">Acknowledgements</a></li>
  55. <li class="publreferences"><a title="References" href="#publreferences">References</a></li>
  56. </ul>
  57. </div>
  58. <!-- endcontentslistdiv -->
  59. <div class="comment">
  60. <a name="comment"></a>
  61. <div class="heading2">
  62. Comment <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan -->
  63. </div>
  64. <!-- endheading2div --><p>The condensation of primary amines with carbonyl compounds yields Schiff base
  65. (Casellato &amp; Vigato, 1977) that are still now regarded as one of the
  66. most
  67. potential group of chelators for facile preparations of metallo-organic hybrid
  68. materials. In the past two decades, the synthesis, structure and properties of
  69. Schiff base complexes have stimulated much interest for their noteworthy
  70. contributions in single molecule-based magnetism, materials science, catalysis
  71. of many reactions like carbonylation, hydroformylation, reduction, oxidation,
  72. epoxidation and hydrolysis, <i>etc.</i> (Pal <i>et al.</i>, 2005;
  73. Reglinski
  74. <i>et al.</i>, 2004; Hou <i>et al.</i>, 2001; Ren <i>et
  75. al.</i>, 2002). Only a
  76. relatively small number of free Schiff base ligands have been characterized
  77. by X-ray crystallography (Calligaris &amp; Randaccio, 1987). As an
  78. extension of
  79. our work (Fun, Kargar &amp; Kia, 2008; Fun, Kia &amp; Kargar, 2008;
  80. Fun, Mirkhani
  81. <i>et al.</i>, 2008<i>a</i>,<i>b</i>) on the structural
  82. characterization of
  83. Schiff base compounds, the title compound (I), is reported here.</p><p>The crystal structure of the title compound (I) (Fig. I), contains two
  84. crystallographically independent molecules (A and B) in the asymmetric unit,
  85. with similar conformations. The bond lengths and angles are within normal
  86. ranges (Allen <i>et al.</i>, 1987). Intramolecular O&#8212;H&#183;&#183;&#183;N (<i>x</i>
  87. 4) and
  88. C&#8212;H&#183;&#183;&#183;N (<i>x</i> 5) hydrogen bonds form six- and five-membered rings,
  89. producing <i>S</i>(6) and <i>S</i>(5) ring motifs, respectively (Bernstein
  90. <i>et al.</i> 1995) (Table 1). One of the nitrogen atoms in the
  91. molecule A
  92. acts as a trifurcated acceptor, but the rest of the nitrogen atoms are
  93. bifurcated acceptors. The dihedral angles between the benzene rings in
  94. molecule A and B is 47.83&#160;(17)&#176; and 61.11&#160;(17)&#176;. The molecular conformation is
  95. stabilized by intramolecular O&#8212;H&#183;&#183;&#183;N and C&#8212;H&#183;&#183;&#183;N hydrogen bonds. The short
  96. distances between the centroids of the benzene rings [<i>Cg</i>2&#8211;<i>Cg</i>2 =
  97. 3.7799&#160;(19) &#197; and <i>Cg</i>3&#8211;<i>Cg</i>3 = 3.890&#160;(2) &#197;] indicate the
  98. existence of <span style="font-family:Times">&#960;</span>&#8211;<span style="font-family:Times">&#960;</span> interactions. The Cg2 and Cg3 are the centroids of the
  99. C12A&#8211;C17A and C12B&#8211;C17B benzene rings. The interesting features of the
  100. crystal structure are short intermolecular Br&#183;&#183;&#183;Br [symmetry code: 1/2 +
  101. <i>x</i>, -1/2 - <i>y</i> + 1/2 + <i>z</i>] and Br&#183;&#183;&#183;O [symmetry code:
  102. -<i>x</i>, 1 + <i>y</i>, 1/2 - <i>z</i>] interactions, with distances of
  103. 3.4786&#160;(5) and 3.149&#160;(3) &#197;, respectively, which are significantly shorter than
  104. the sum of the van der Waals radii of the relevent atoms.</p><p>In addition, the crystal structure is further stabilized by intermolecular
  105. C&#8212;H&#183;&#183;&#183;O hydrogen bond and C&#8212;H&#183;&#183;&#183;<span style="font-family:Times">&#960;</span> interactions.</p>
  106. </div>
  107. <!-- endcommentdiv -->
  108. <div class="relatedliterature">
  109. <a name="relatedliterature"></a>
  110. <div class="heading2">
  111. Related literature <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan -->
  112. </div>
  113. <!-- endheading2div --><p>For bond-length data, see: Allen <i>et al.</i> (1987). For hydrogen-bond
  114. motifs, see: Bernstein <i>et al.</i> (1995). For information on Schiff
  115. base
  116. ligands and complexes and their applications, see, for example: Fun, Kargar &amp;
  117. Kia (2008); Fun, Kia &amp; Kargar (2008); Fun, Mirkhani <i>et
  118. al.</i>
  119. (2008<i>a</i>,<i>b</i>); Calligaris &amp; Randaccio (1987);
  120. Casellato &amp; Vigato
  121. (1977); Pal <i>et al.</i> (2005); Reglinski <i>et al.</i>
  122. 2004; Hou <i>et
  123. al.</i> (2001); Ren <i>et al.</i> (2002).</p>
  124. </div>
  125. <!-- endrelatedliteraturediv -->
  126. <div class="experimental">
  127. <a name="experimental"></a>
  128. <div class="heading2">
  129. Experimental <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan -->
  130. </div>
  131. <!-- endheading2div --><p>The synthetic method has been described earlier (Reglinski <i>et al.</i>,
  132. 2004). Single crystals suitable for X-ray diffraction were obtained by
  133. evaporation of an ethanol solution at room temperature.</p>
  134. </div>
  135. <!-- endexperimentaldiv -->
  136. <div class="refinement">
  137. <a name="refinement"></a>
  138. <div class="heading2">
  139. Refinement <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan -->
  140. </div>
  141. <!-- endheading2div --><p>H atoms bound to the O1A, O2A, and O2B were located in a difference Fourier map
  142. and refined freely. H atom bound to O1B was located from a difference Fourier
  143. map and constrained to refine with the parent atom after distance restraint of
  144. 0.84&#160;(1) &#197;. The rest of the H atoms were positioned geometrically (C&#8212;H =
  145. 0.95&#8211;0.99 &#197;) and refined using a riding model.</p>
  146. </div>
  147. <!-- endrefinementdiv -->
  148. <div class="computingdetails">
  149. <a name="computingdetails"></a>
  150. <div class="heading2">
  151. Computing details <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan -->
  152. </div>
  153. <!-- endheading2div --><p>Data collection: APEX2 (Bruker, 2005); cell refinement: APEX2 (Bruker, 2005); data reduction: SAINT (Bruker, 2005); program(s) used to solve structure: SHELXTL (Sheldrick, 2008); program(s) used to refine structure: SHELXTL (Sheldrick, 2008); molecular graphics: SHELXTL (Sheldrick, 2008); software used to prepare material for publication: SHELXTL (Sheldrick, 2008) and PLATON (Spek, 2003).</p>
  154. </div>
  155. <!-- endcomputingdetailsdiv -->
  156. <div class="schemes">
  157. <a href="./at2626scheme1.gif"></a>
  158. </div>
  159. <!-- endschemesdiv -->
  160. <div class="figures">
  161. <div class="tablewrap">
  162. <a name="figures"></a>
  163. <div class="heading2">
  164. Figures <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan -->
  165. </div>
  166. <!-- endheading2div --><table style="table-layout:fixed" width="100%" class="nodecs">
  167. <colgroup span="2">
  168. <col width="110"></col>
  169. <col></col>
  170. </colgroup>
  171. <tr><td class="nodecs" align="center" width="110">
  172. <a href="./at2626fig1.html"><img width="100" src="./at2626fig1thm.gif" alt="[Figure 1]" align="middle"/></a>
  173. </td><td class="nodecs" valign="middle" >
  174. <font size="2">Fig. 1. The molecular structure of (I), with atom labels and 50% probability
  175. ellipsoids for non-H atoms. Intramolecular interactions are shown as dashed
  176. lines.</font>
  177. </td></tr>
  178. <tr><td class="nodecs" align="center" width="110">
  179. <a href="./at2626fig2.html"><img width="100" src="./at2626fig2thm.gif" alt="[Figure 2]" align="middle"/></a>
  180. </td><td class="nodecs" valign="middle" >
  181. <font size="2">Fig. 2. The crystal packing of (I), showing stacking of molecules down the
  182. <i>b</i>-axis. Intramolecular and intermolecular interactions are shown as
  183. dashed lines.</font>
  184. </td></tr>
  185. </table>
  186. </div>
  187. </div>
  188. <!-- endfiguresdiv -->
  189. <div class="datablock1">
  190. <div class="heading2">
  191. <a name="chemicalname1"></a><i>N</i>,<i>N</i>'-Bis(5-bromo-2-hydroxybenzylidene)-2,2-dimethylpropane-
  192. 1,3-diamine <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan -->
  193. </div>
  194. <!-- endheading2div -->
  195. <div class="tablewrapcrystaldatalong">
  196. <a name="crystaldata1"></a><span class="heading3">Crystal data</span><!-- endheading3span --> <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan --><table style="table-layout:fixed" width="80%" summary="" class="tabledata">
  197. <colgroup span="2">
  198. <col width="50%"></col>
  199. <col width="50%"></col>
  200. </colgroup>
  201. <tr><td width="50%" class="tabledata" >C<sub>19</sub>H<sub>20</sub>Br<sub>2</sub>N<sub>2</sub>O<sub>2</sub></td><td width="50%" class="tabledata" ><i>F</i>(000) = 3744</td></tr><tr><td width="50%" class="tabledata" ><i>M</i><i><sub>r</sub></i> = 468.19</td><td width="50%" class="tabledata" ><i>D</i><sub>x</sub> = 1.644 Mg m<span style="font-family:Times"><sup>&#8722;</sup></span><sup>3</sup></td></tr><tr><td width="50%" class="tabledata" >Monoclinic, <i>C</i>2/<i>c</i></td><td width="50%" class="tabledata" >Mo <i>K</i><span style="font-family:Times">&#945;</span> radiation, <span style="font-family:Times">&#955;</span> = 0.71073 &#197;</td></tr><tr><td width="50%" class="tabledata" >Hall symbol: -C 2yc</td><td width="50%" class="tabledata" >Cell parameters from 5640 reflections</td></tr><tr><td width="50%" class="tabledata" ><i>a</i> = 31.7684 (10) &#197;</td><td width="50%" class="tabledata" ><span style="font-family:Times">&#952;</span> = 3.0&#8211;27.0&#176;</td></tr><tr><td width="50%" class="tabledata" ><i>b</i> = 6.2436 (2) &#197;</td><td width="50%" class="tabledata" >&#181; = 4.30 mm<span style="font-family:Times"><sup>&#8722;</sup></span><sup>1</sup></td></tr><tr><td width="50%" class="tabledata" ><i>c</i> = 38.7287 (11) &#197;</td><td width="50%" class="tabledata" ><i>T</i> = 100 K</td></tr><tr><td width="50%" class="tabledata" ><span style="font-family:Times">&#946;</span> = 99.870 (2)&#176;</td><td width="50%" class="tabledata" >Needle, yellow</td></tr><tr><td width="50%" class="tabledata" ><i>V</i> = 7568.1 (4) &#197;<sup>3</sup></td><td width="50%" class="tabledata" >0.52 &#215; 0.10 &#215; 0.06 mm</td></tr><tr><td width="50%" class="tabledata" ><i>Z</i> = 16</td><td width="50%" class="tabledata" ></td></tr></table><!-- endtabledatatable -->
  202. </div>
  203. <!-- endtablewrapcrystaldatalongdiv -->
  204. <div class="tablewrapdatacollectionlong">
  205. <a name="datacollection1"></a><span class="heading3">Data collection</span><!-- endheading3span --> <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan --><table style="table-layout:fixed" width="80%" summary="" class="tabledata">
  206. <colgroup span="2">
  207. <col width="50%"></col>
  208. <col width="50%"></col>
  209. </colgroup>
  210. <tr><td width="50%" class="tabledata" >Bruker SMART APEXII CCD area-detector <br />diffractometer</td><td width="50%" class="tabledata" >11172 independent reflections</td></tr><tr><td width="50%" class="tabledata" >Radiation source: fine-focus sealed tube</td><td width="50%" class="tabledata" >6920 reflections with <i>I</i> > 2<span style="font-family:Times">&#963;</span>(<i>I</i>)</td></tr><tr><td width="50%" class="tabledata" >graphite</td><td width="50%" class="tabledata" ><i>R</i><sub>int</sub> = 0.080</td></tr><tr><td width="50%" class="tabledata" ><span style="font-family:Times">&#966;</span> and <span style="font-family:Times">&#969;</span> scans</td><td width="50%" class="tabledata" ><span style="font-family:Times">&#952;</span><sub>max</sub> = 30.2&#176;, <span style="font-family:Times">&#952;</span><sub>min</sub> = 1.1&#176;</td></tr><tr><td width="50%" class="tabledata" >Absorption correction: multi-scan <br />(SADABS; Bruker, 2005)</td><td width="50%" class="tabledata" ><i>h</i> = <span style="font-family:Times">&#8722;</span>36<span style="font-family:Times">&#8594;</span>44</td></tr><tr><td width="50%" class="tabledata" ><i>T</i><sub>min</sub> = 0.213, <i>T</i><sub>max</sub> = 0.783</td><td width="50%" class="tabledata" ><i>k</i> = <span style="font-family:Times">&#8722;</span>8<span style="font-family:Times">&#8594;</span>8</td></tr><tr><td width="50%" class="tabledata" >47391 measured reflections</td><td width="50%" class="tabledata" ><i>l</i> = <span style="font-family:Times">&#8722;</span>54<span style="font-family:Times">&#8594;</span>54</td></tr></table><!-- endtabledatatable -->
  211. </div>
  212. <!-- endtablewrapdatacollectionlongdiv -->
  213. <div class="tablewraprefinementdatalong">
  214. <a name="refinementdata1"></a><span class="heading3">Refinement</span><!-- endheading3span --> <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan --><table style="table-layout:fixed" width="80%" summary="" class="tabledata">
  215. <colgroup span="2">
  216. <col width="50%"></col>
  217. <col width="50%"></col>
  218. </colgroup>
  219. <tr><td width="50%" class="tabledata" >Refinement on <i>F</i><sup>2</sup></td><td width="50%" class="tabledata" >Primary atom site location: structure-invariant direct methods</td></tr><tr><td width="50%" class="tabledata" >Least-squares matrix: full</td><td width="50%" class="tabledata" >Secondary atom site location: difference Fourier map</td></tr><tr><td width="50%" class="tabledata" ><i>R</i>[<i>F</i><sup>2</sup> > 2<span style="font-family:Times">&#963;</span>(<i>F</i><sup>2</sup>)] = 0.043</td><td width="50%" class="tabledata" >Hydrogen site location: inferred from neighbouring sites</td></tr><tr><td width="50%" class="tabledata" ><i>wR</i>(<i>F</i><sup>2</sup>) = 0.110</td><td width="50%" class="tabledata" >H atoms treated by a mixture of independent and constrained refinement</td></tr><tr><td width="50%" class="tabledata" ><i>S</i> = 1.01</td><td width="50%" class="tabledata" > <i>w</i> = 1/[<span style="font-family:Times">&#963;</span><sup>2</sup>(<i>F</i><sub>o</sub><sup>2</sup>) + (0.0443<i>P</i>)<sup>2</sup> + 4.1476<i>P</i>] <br />where <i>P</i> = (<i>F</i><sub>o</sub><sup>2</sup> + 2<i>F</i><sub>c</sub><sup>2</sup>)/3</td></tr><tr><td width="50%" class="tabledata" >11172 reflections</td><td width="50%" class="tabledata" >(&#916;/<span style="font-family:Times">&#963;</span>)<sub>max</sub> = 0.001</td></tr><tr><td width="50%" class="tabledata" >463 parameters</td><td width="50%" class="tabledata" >&#916;<span style="font-family:Times">&#961;</span><sub>max</sub> = 0.57 e &#197;<span style="font-family:Times"><sup>&#8722;</sup></span><sup>3</sup></td></tr><tr><td width="50%" class="tabledata" >0 restraints</td><td width="50%" class="tabledata" >&#916;<span style="font-family:Times">&#961;</span><sub>min</sub> = <span style="font-family:Times">&#8722;</span>0.46 e &#197;<span style="font-family:Times"><sup>&#8722;</sup></span><sup>3</sup></td></tr></table><!-- endtabledatatable -->
  220. </div>
  221. <!-- endtablewraprefinementdatalongdiv -->
  222. <div class="tablewrapcrystaldatashort">
  223. <a name="crystaldata1"></a><span class="heading3">Crystal data</span><!-- endheading3span --> <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan --><table style="table-layout:fixed" width="80%" summary="" class="tabledata">
  224. <colgroup span="2">
  225. <col width="50%"></col>
  226. <col width="50%"></col>
  227. </colgroup>
  228. <tr><td width="50%" class="tabledata" >C<sub>19</sub>H<sub>20</sub>Br<sub>2</sub>N<sub>2</sub>O<sub>2</sub></td><td width="50%" class="tabledata" ><i>V</i> = 7568.1 (4) &#197;<sup>3</sup></td></tr><tr><td width="50%" class="tabledata" ><i>M</i><i><sub>r</sub></i> = 468.19</td><td width="50%" class="tabledata" ><i>Z</i> = 16</td></tr><tr><td width="50%" class="tabledata" >Monoclinic, <i>C</i>2/<i>c</i></td><td width="50%" class="tabledata" >Mo <i>K</i><span style="font-family:Times">&#945;</span> radiation</td></tr><tr><td width="50%" class="tabledata" ><i>a</i> = 31.7684 (10) &#197;</td><td width="50%" class="tabledata" >&#181; = 4.30 mm<span style="font-family:Times"><sup>&#8722;</sup></span><sup>1</sup></td></tr><tr><td width="50%" class="tabledata" ><i>b</i> = 6.2436 (2) &#197;</td><td width="50%" class="tabledata" ><i>T</i> = 100 K</td></tr><tr><td width="50%" class="tabledata" ><i>c</i> = 38.7287 (11) &#197;</td><td width="50%" class="tabledata" >0.52 &#215; 0.10 &#215; 0.06 mm</td></tr><tr><td width="50%" class="tabledata" ><span style="font-family:Times">&#946;</span> = 99.870 (2)&#176;</td><td width="50%" class="tabledata" ></td></tr></table><!-- endtabledatatable -->
  229. </div>
  230. <!-- endtablewrapcrystaldatashortdiv -->
  231. <div class="tablewrapdatacollectionshort">
  232. <a name="datacollection1"></a><span class="heading3">Data collection</span><!-- endheading3span --> <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan --><table style="table-layout:fixed" width="80%" summary="" class="tabledata">
  233. <colgroup span="2">
  234. <col width="50%"></col>
  235. <col width="50%"></col>
  236. </colgroup>
  237. <tr><td width="50%" class="tabledata" >Bruker SMART APEXII CCD area-detector <br />diffractometer</td><td width="50%" class="tabledata" >11172 independent reflections</td></tr><tr><td width="50%" class="tabledata" >Absorption correction: multi-scan <br />(SADABS; Bruker, 2005)</td><td width="50%" class="tabledata" >6920 reflections with <i>I</i> > 2<span style="font-family:Times">&#963;</span>(<i>I</i>)</td></tr><tr><td width="50%" class="tabledata" ><i>T</i><sub>min</sub> = 0.213, <i>T</i><sub>max</sub> = 0.783</td><td width="50%" class="tabledata" ><i>R</i><sub>int</sub> = 0.080</td></tr><tr><td width="50%" class="tabledata" >47391 measured reflections</td><td width="50%" class="tabledata" ><span style="font-family:Times">&#952;</span><sub>max</sub> = 30.2&#176;</td></tr></table><!-- endtabledatatable -->
  238. </div>
  239. <!-- endtablewrapdatacollectionshortdiv -->
  240. <div class="tablewraprefinementdatashort">
  241. <a name="refinementdata1"></a><span class="heading3">Refinement</span><!-- endheading3span --> <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan --><table style="table-layout:fixed" width="80%" summary="" class="tabledata">
  242. <colgroup span="2">
  243. <col width="50%"></col>
  244. <col width="50%"></col>
  245. </colgroup>
  246. <tr><td width="50%" class="tabledata" ><i>R</i>[<i>F</i><sup>2</sup> > 2<span style="font-family:Times">&#963;</span>(<i>F</i><sup>2</sup>)] = 0.043</td><td width="50%" class="tabledata" >H atoms treated by a mixture of independent and constrained refinement</td></tr><tr><td width="50%" class="tabledata" ><i>wR</i>(<i>F</i><sup>2</sup>) = 0.110</td><td width="50%" class="tabledata" >&#916;<span style="font-family:Times">&#961;</span><sub>max</sub> = 0.57 e &#197;<span style="font-family:Times"><sup>&#8722;</sup></span><sup>3</sup></td></tr><tr><td width="50%" class="tabledata" ><i>S</i> = 1.01</td><td width="50%" class="tabledata" >&#916;<span style="font-family:Times">&#961;</span><sub>min</sub> = <span style="font-family:Times">&#8722;</span>0.46 e &#197;<span style="font-family:Times"><sup>&#8722;</sup></span><sup>3</sup></td></tr><tr><td width="50%" class="tabledata" >11172 reflections</td><td width="50%" class="tabledata" >Absolute structure: ?</td></tr><tr><td width="50%" class="tabledata" >463 parameters</td><td width="50%" class="tabledata" >Flack parameter: ?</td></tr><tr><td width="50%" class="tabledata" >0 restraints</td><td width="50%" class="tabledata" >Rogers parameter: ?</td></tr></table><!-- endtabledatatable -->
  247. </div>
  248. <!-- endtablewraprefinementdatashortdiv -->
  249. <div class="specialdetails">
  250. <div class="tablewrap">
  251. <a name="specialdetails1"></a><span class="heading3">Special details</span><!-- endheading3span --> <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan -->
  252. <table style="table-layout:fixed" width="100%" class="tabledata">
  253. <tr><td class="tabledata"><p><b>Experimental</b>. The low-temperature data was collected with the Oxford Cyrosystem Cobra
  254. low-temperature attachment.</p></td></tr>
  255. <tr><td class="tabledata"><p><b>Geometry</b>. All esds (except the esd in the dihedral angle between two l.s. planes)
  256. are estimated using the full covariance matrix. The cell esds are taken
  257. into account individually in the estimation of esds in distances, angles
  258. and torsion angles; correlations between esds in cell parameters are only
  259. used when they are defined by crystal symmetry. An approximate (isotropic)
  260. treatment of cell esds is used for estimating esds involving l.s. planes.</p></td></tr>
  261. <tr><td class="tabledata"><p><b>Refinement</b>. Refinement of F<sup>2</sup> against ALL reflections. The weighted R-factor wR and
  262. goodness of fit S are based on F<sup>2</sup>, conventional R-factors R are based
  263. on F, with F set to zero for negative F<sup>2</sup>. The threshold expression of
  264. F<sup>2</sup> > 2sigma(F<sup>2</sup>) is used only for calculating R-factors(gt) etc. and is
  265. not relevant to the choice of reflections for refinement. R-factors based
  266. on F<sup>2</sup> are statistically about twice as large as those based on F, and R-
  267. factors based on ALL data will be even larger.</p></td></tr></table>
  268. </div>
  269. </div>
  270. <!-- endspecialdetailsdiv -->
  271. <div class="tablewrapcoords">
  272. <a name="fractionalatomiccoordinates1"></a> <span class="heading3">Fractional atomic coordinates and isotropic or equivalent isotropic displacement parameters (&#197;<sup>2</sup>)</span><!-- endheading3span --> <span class="toplink"><a class="buttons" href="#top">top</a></span><!-- endtoplinkspan --><table style="table-layout:fixed" width="100%" summary="" class="tabledata"><tr><td class="tabledata" > </td><td class="tabledata" ><i>x</i></td><td class="tabledata" ><i>y</i></td><td class="tabledata" ><i>z</i></td><td class="tabledata" ><i>U</i><sub>iso</sub>*/<i>U</i><sub>eq</sub></td><td class="tabledata" ></td></tr><tr><td class="tabledata" >Br1A</td><td class="tabledata" >0.048763 (12)</td><td class="tabledata" >0.47249 (7)</td><td class="tabledata" >0.124135 (9)</td><td class="tabledata" >0.02437 (10)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >Br2A</td><td class="tabledata" >0.330044 (11)</td><td class="tabledata" >0.00679 (6)</td><td class="tabledata" >0.479516 (9)</td><td class="tabledata" >0.02179 (9)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >O1A</td><td class="tabledata" >0.06595 (9)</td><td class="tabledata" >0.8408 (5)</td><td class="tabledata" >0.26946 (7)</td><td class="tabledata" >0.0269 (6)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >O2A</td><td class="tabledata" >0.18364 (8)</td><td class="tabledata" >0.6081 (4)</td><td class="tabledata" >0.43058 (7)</td><td class="tabledata" >0.0214 (6)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >N1A</td><td class="tabledata" >0.09915 (9)</td><td class="tabledata" >0.4834 (5)</td><td class="tabledata" >0.29342 (7)</td><td class="tabledata" >0.0207 (7)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >N2A</td><td class="tabledata" >0.14171 (9)</td><td class="tabledata" >0.2889 (5)</td><td class="tabledata" >0.39950 (7)</td><td class="tabledata" >0.0185 (6)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C1A</td><td class="tabledata" >0.06195 (11)</td><td class="tabledata" >0.7509 (6)</td><td class="tabledata" >0.23744 (9)</td><td class="tabledata" >0.0197 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C2A</td><td class="tabledata" >0.04274 (11)</td><td class="tabledata" >0.8701 (6)</td><td class="tabledata" >0.20872 (10)</td><td class="tabledata" >0.0231 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H2AA</td><td class="tabledata" >0.0321</td><td class="tabledata" >1.0093</td><td class="tabledata" >0.2121</td><td class="tabledata" >0.028*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C3A</td><td class="tabledata" >0.03900 (11)</td><td class="tabledata" >0.7879 (6)</td><td class="tabledata" >0.17532 (9)</td><td class="tabledata" >0.0206 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H3AA</td><td class="tabledata" >0.0261</td><td class="tabledata" >0.8709</td><td class="tabledata" >0.1558</td><td class="tabledata" >0.025*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C4A</td><td class="tabledata" >0.05410 (11)</td><td class="tabledata" >0.5838 (6)</td><td class="tabledata" >0.17031 (9)</td><td class="tabledata" >0.0202 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C5A</td><td class="tabledata" >0.07244 (11)</td><td class="tabledata" >0.4615 (6)</td><td class="tabledata" >0.19833 (9)</td><td class="tabledata" >0.0191 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H5AA</td><td class="tabledata" >0.0825</td><td class="tabledata" >0.3215</td><td class="tabledata" >0.1946</td><td class="tabledata" >0.023*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C6A</td><td class="tabledata" >0.07639 (11)</td><td class="tabledata" >0.5435 (6)</td><td class="tabledata" >0.23258 (9)</td><td class="tabledata" >0.0182 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C7A</td><td class="tabledata" >0.09411 (11)</td><td class="tabledata" >0.4094 (6)</td><td class="tabledata" >0.26223 (9)</td><td class="tabledata" >0.0197 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H7AA</td><td class="tabledata" >0.1020</td><td class="tabledata" >0.2657</td><td class="tabledata" >0.2584</td><td class="tabledata" >0.024*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C8A</td><td class="tabledata" >0.11469 (11)</td><td class="tabledata" >0.3431 (6)</td><td class="tabledata" >0.32298 (9)</td><td class="tabledata" >0.0200 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H8AA</td><td class="tabledata" >0.1426</td><td class="tabledata" >0.3959</td><td class="tabledata" >0.3353</td><td class="tabledata" >0.024*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H8AB</td><td class="tabledata" >0.1189</td><td class="tabledata" >0.1969</td><td class="tabledata" >0.3143</td><td class="tabledata" >0.024*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C9A</td><td class="tabledata" >0.08291 (11)</td><td class="tabledata" >0.3352 (6)</td><td class="tabledata" >0.34871 (9)</td><td class="tabledata" >0.0178 (7)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C10A</td><td class="tabledata" >0.10260 (11)</td><td class="tabledata" >0.1953 (6)</td><td class="tabledata" >0.37987 (9)</td><td class="tabledata" >0.0191 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H10A</td><td class="tabledata" >0.0816</td><td class="tabledata" >0.1765</td><td class="tabledata" >0.3958</td><td class="tabledata" >0.023*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H10B</td><td class="tabledata" >0.1091</td><td class="tabledata" >0.0520</td><td class="tabledata" >0.3712</td><td class="tabledata" >0.023*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C11A</td><td class="tabledata" >0.17384 (11)</td><td class="tabledata" >0.1677 (6)</td><td class="tabledata" >0.40944 (8)</td><td class="tabledata" >0.0182 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H11A</td><td class="tabledata" >0.1724</td><td class="tabledata" >0.0207</td><td class="tabledata" >0.4030</td><td class="tabledata" >0.022*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C12A</td><td class="tabledata" >0.21289 (11)</td><td class="tabledata" >0.2529 (6)</td><td class="tabledata" >0.43068 (8)</td><td class="tabledata" >0.0168 (7)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C13A</td><td class="tabledata" >0.24770 (11)</td><td class="tabledata" >0.1167 (6)</td><td class="tabledata" >0.44173 (8)</td><td class="tabledata" >0.0174 (7)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H13A</td><td class="tabledata" >0.2467</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0279</td><td class="tabledata" >0.4340</td><td class="tabledata" >0.021*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C14A</td><td class="tabledata" >0.28333 (10)</td><td class="tabledata" >0.1924 (6)</td><td class="tabledata" >0.46376 (9)</td><td class="tabledata" >0.0166 (7)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C15A</td><td class="tabledata" >0.28534 (11)</td><td class="tabledata" >0.4037 (6)</td><td class="tabledata" >0.47528 (8)</td><td class="tabledata" >0.0187 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H15A</td><td class="tabledata" >0.3097</td><td class="tabledata" >0.4540</td><td class="tabledata" >0.4909</td><td class="tabledata" >0.022*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C16A</td><td class="tabledata" >0.25179 (11)</td><td class="tabledata" >0.5388 (6)</td><td class="tabledata" >0.46392 (9)</td><td class="tabledata" >0.0191 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H16A</td><td class="tabledata" >0.2534</td><td class="tabledata" >0.6836</td><td class="tabledata" >0.4715</td><td class="tabledata" >0.023*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C17A</td><td class="tabledata" >0.21539 (11)</td><td class="tabledata" >0.4681 (6)</td><td class="tabledata" >0.44144 (9)</td><td class="tabledata" >0.0170 (7)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C18A</td><td class="tabledata" >0.04145 (11)</td><td class="tabledata" >0.2283 (7)</td><td class="tabledata" >0.33119 (10)</td><td class="tabledata" >0.0235 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H18A</td><td class="tabledata" >0.0211</td><td class="tabledata" >0.2254</td><td class="tabledata" >0.3476</td><td class="tabledata" >0.035*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H18B</td><td class="tabledata" >0.0475</td><td class="tabledata" >0.0814</td><td class="tabledata" >0.3245</td><td class="tabledata" >0.035*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H18C</td><td class="tabledata" >0.0291</td><td class="tabledata" >0.3094</td><td class="tabledata" >0.3102</td><td class="tabledata" >0.035*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C19A</td><td class="tabledata" >0.07370 (12)</td><td class="tabledata" >0.5588 (6)</td><td class="tabledata" >0.36131 (9)</td><td class="tabledata" >0.0222 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H19A</td><td class="tabledata" >0.0532</td><td class="tabledata" >0.5491</td><td class="tabledata" >0.3775</td><td class="tabledata" >0.033*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H19B</td><td class="tabledata" >0.0617</td><td class="tabledata" >0.6476</td><td class="tabledata" >0.3412</td><td class="tabledata" >0.033*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H19C</td><td class="tabledata" >0.1003</td><td class="tabledata" >0.6235</td><td class="tabledata" >0.3734</td><td class="tabledata" >0.033*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >Br1B</td><td class="tabledata" >0.203156 (14)</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.21813 (7)</td><td class="tabledata" >0.339930 (10)</td><td class="tabledata" >0.03229 (11)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >Br2B</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.107371 (12)</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.17661 (7)</td><td class="tabledata" >0.040046 (10)</td><td class="tabledata" >0.02582 (10)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >O1B</td><td class="tabledata" >0.18949 (9)</td><td class="tabledata" >0.3706 (4)</td><td class="tabledata" >0.21548 (7)</td><td class="tabledata" >0.0311 (7)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H1OB</td><td class="tabledata" >0.1733</td><td class="tabledata" >0.3089</td><td class="tabledata" >0.1988</td><td class="tabledata" >0.047*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >O2B</td><td class="tabledata" >0.04871 (9)</td><td class="tabledata" >0.3734 (5)</td><td class="tabledata" >0.04206 (7)</td><td class="tabledata" >0.0234 (6)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >N1B</td><td class="tabledata" >0.15040 (9)</td><td class="tabledata" >0.0685 (5)</td><td class="tabledata" >0.17729 (7)</td><td class="tabledata" >0.0210 (7)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >N2B</td><td class="tabledata" >0.09435 (9)</td><td class="tabledata" >0.0503 (5)</td><td class="tabledata" >0.06810 (7)</td><td class="tabledata" >0.0203 (7)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C1B</td><td class="tabledata" >0.19306 (11)</td><td class="tabledata" >0.2322 (6)</td><td class="tabledata" >0.24240 (10)</td><td class="tabledata" >0.0230 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C2B</td><td class="tabledata" >0.21359 (12)</td><td class="tabledata" >0.2995 (7)</td><td class="tabledata" >0.27530 (10)</td><td class="tabledata" >0.0274 (9)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H2BA</td><td class="tabledata" >0.2255</td><td class="tabledata" >0.4392</td><td class="tabledata" >0.2781</td><td class="tabledata" >0.033*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C3B</td><td class="tabledata" >0.21669 (12)</td><td class="tabledata" >0.1653 (7)</td><td class="tabledata" >0.30373 (10)</td><td class="tabledata" >0.0260 (9)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H3BA</td><td class="tabledata" >0.2306</td><td class="tabledata" >0.2126</td><td class="tabledata" >0.3261</td><td class="tabledata" >0.031*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C4B</td><td class="tabledata" >0.19961 (12)</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0384 (7)</td><td class="tabledata" >0.29977 (9)</td><td class="tabledata" >0.0241 (9)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C5B</td><td class="tabledata" >0.17993 (11)</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.1126 (6)</td><td class="tabledata" >0.26741 (9)</td><td class="tabledata" >0.0205 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H5BA</td><td class="tabledata" >0.1687</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.2539</td><td class="tabledata" >0.2650</td><td class="tabledata" >0.025*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C6B</td><td class="tabledata" >0.17662 (11)</td><td class="tabledata" >0.0223 (6)</td><td class="tabledata" >0.23812 (9)</td><td class="tabledata" >0.0195 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C7B</td><td class="tabledata" >0.15596 (11)</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0552 (6)</td><td class="tabledata" >0.20381 (9)</td><td class="tabledata" >0.0185 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H7BA</td><td class="tabledata" >0.1466</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.1997</td><td class="tabledata" >0.2012</td><td class="tabledata" >0.022*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C8B</td><td class="tabledata" >0.13053 (11)</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0151 (6)</td><td class="tabledata" >0.14318 (9)</td><td class="tabledata" >0.0220 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H8BA</td><td class="tabledata" >0.1022</td><td class="tabledata" >0.0522</td><td class="tabledata" >0.1360</td><td class="tabledata" >0.026*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H8BB</td><td class="tabledata" >0.1263</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.1716</td><td class="tabledata" >0.1449</td><td class="tabledata" >0.026*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C9B</td><td class="tabledata" >0.15859 (11)</td><td class="tabledata" >0.0308 (6)</td><td class="tabledata" >0.11529 (9)</td><td class="tabledata" >0.0202 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C10B</td><td class="tabledata" >0.13537 (11)</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0555 (7)</td><td class="tabledata" >0.08002 (9)</td><td class="tabledata" >0.0218 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H10C</td><td class="tabledata" >0.1539</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0355</td><td class="tabledata" >0.0621</td><td class="tabledata" >0.026*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H10D</td><td class="tabledata" >0.1305</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.2111</td><td class="tabledata" >0.0822</td><td class="tabledata" >0.026*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C11B</td><td class="tabledata" >0.06085 (11)</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0637 (6)</td><td class="tabledata" >0.06348 (9)</td><td class="tabledata" >0.0193 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H11B</td><td class="tabledata" >0.0632</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.2135</td><td class="tabledata" >0.0676</td><td class="tabledata" >0.023*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C12B</td><td class="tabledata" >0.01870 (11)</td><td class="tabledata" >0.0298 (6)</td><td class="tabledata" >0.05198 (8)</td><td class="tabledata" >0.0175 (7)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C13B</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.01786 (11)</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0943 (6)</td><td class="tabledata" >0.05134 (9)</td><td class="tabledata" >0.0203 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H13B</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0154</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.2390</td><td class="tabledata" >0.0590</td><td class="tabledata" >0.024*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C14B</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.05760 (11)</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0080 (6)</td><td class="tabledata" >0.03961 (9)</td><td class="tabledata" >0.0188 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C15B</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.06189 (11)</td><td class="tabledata" >0.2017 (6)</td><td class="tabledata" >0.02785 (9)</td><td class="tabledata" >0.0213 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H15B</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0894</td><td class="tabledata" >0.2590</td><td class="tabledata" >0.0193</td><td class="tabledata" >0.026*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C16B</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.02609 (11)</td><td class="tabledata" >0.3268 (6)</td><td class="tabledata" >0.02854 (9)</td><td class="tabledata" >0.0212 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H16B</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0290</td><td class="tabledata" >0.4705</td><td class="tabledata" >0.0204</td><td class="tabledata" >0.025*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C17B</td><td class="tabledata" >0.01438 (11)</td><td class="tabledata" >0.2447 (6)</td><td class="tabledata" >0.04102 (9)</td><td class="tabledata" >0.0192 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C18B</td><td class="tabledata" >0.20099 (11)</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0906 (7)</td><td class="tabledata" >0.12457 (10)</td><td class="tabledata" >0.0249 (9)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H18D</td><td class="tabledata" >0.2190</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0598</td><td class="tabledata" >0.1070</td><td class="tabledata" >0.037*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H18E</td><td class="tabledata" >0.1953</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.2448</td><td class="tabledata" >0.1250</td><td class="tabledata" >0.037*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H18F</td><td class="tabledata" >0.2158</td><td class="tabledata" ><span style="font-family:Times">&#8722;</span>0.0447</td><td class="tabledata" >0.1477</td><td class="tabledata" >0.037*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >C19B</td><td class="tabledata" >0.16738 (12)</td><td class="tabledata" >0.2702 (6)</td><td class="tabledata" >0.11289 (10)</td><td class="tabledata" >0.0239 (8)</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H19D</td><td class="tabledata" >0.1402</td><td class="tabledata" >0.3474</td><td class="tabledata" >0.1069</td><td class="tabledata" >0.036*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H19E</td><td class="tabledata" >0.1849</td><td class="tabledata" >0.2955</td><td class="tabledata" >0.0948</td><td class="tabledata" >0.036*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H19F</td><td class="tabledata" >0.1827</td><td class="tabledata" >0.3215</td><td class="tabledata" >0.1355</td><td class="tabledata" >0.036*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H2OA</td><td class="tabledata" >0.1637 (13)</td><td class="tabledata" >0.531 (7)</td><td class="tabledata" >0.4195 (10)</td><td class="tabledata" >0.027 (12)*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H1OA</td><td class="tabledata" >0.0731 (13)</td><td class="tabledata" >0.745 (8)</td><td class="tabledata" >0.2823 (11)</td><td class="tabledata" >0.031 (14)*</td><td class="tabledata" ></td></tr><tr><td class="tabledata" >H2OB</td><td class="tabledata" >0.0676 (14)</td><td class="tabledata" >0.317 (8)</td><td class="tabledata" >0.0506 (12)</td><td class="tabledata" >0.043 (16)*</td><td class="tabledata" ></td></tr></table>
  273. </div>
  274. <!-- endtablewrapcoordsdiv -->
  275. <div class="tablewrapadps">
  276. <a name="atomicdisplacement1"></a> <span class="heading3">Atomic displacement parameters (&#197;<sup>2</sup>)</span><!-- endheading3span