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  4. <html version="-//W3C//DTD HTML 4.01 Transitional//EN" cmlx:fileId="C:\Users\pm286\workspace\crystaleyeTestData\html\0\8\a\08ad15b0-58a1-45a7-bc76-20be2264b15d\full.html" xmlns="http://www.w3.org/1999/xhtml" xmlns:cmlx="http://www.xml-cml.org/schema/cmlx"><head><link rel="schema.DC" href="http://purl.org/dc/elements/1.1/"/><link rel="schema.DCTERMS" href="http://purl.org/dc/terms/"/><link rel="schema.prism" href="http://prismstandard.org/namespaces/1.2/basic/"/><meta name="DC.source" content="urn:issn:1600-5368"/><meta name="DC.rights" content="http://creativecommons.org/licenses/by/2.0/uk"/><meta name="DC.creator" content="Fun, H.-K."/><meta name="DC.creator" content="Kia, R."/><meta name="DC.creator" content="Kargar, H."/><meta name="DC.date" content="2008-10-01"/><meta name="DC.identifier" content="doi:10.1107/S160053680802816X"/><meta name="DC.publisher" content="International Union of Crystallography"/><meta name="DC.link" content="http://scripts.iucr.org/cgi-bin/paper?at2626"/><meta name="DC.language" content="en"/><meta name="DC.description" content="The crystal structure of the title Schiff base compound, C19H20Br2N2O2, contains two crystallographically independent molecules (A and B) in the asymmetric unit, with similar conformations. Intramolecular O-H...N (x 4) and C-H...N (x 5) hydrogen bonds form six- and five-membered rings, producing S(6) and S(5) ring motifs, respectively. One of the N atoms in molecule A acts as a trifurcated acceptor, the rest of the N atoms being bifurcated acceptors. The dihedral angles between the benzene rings in molecules A and B are 47.83 (17) and 61.11 (17)degrees, respectively. The molecular conformation is stabilized by intramolecular O-H...N and C-H...N hydrogen bonds. The short distances between the centroids of the benzene rings [3.7799 (19)-3.890 (2) A] indicate the existence of [pi]-[pi] interactions. In addition, the crystal structure is further stabilized by an intermolecular C-H...O hydrogen bond, C-H...[pi] interactions, and short intermolecular Br...Br and Br...O contacts [3.4786 (5) and 3.149 (3) A, respectively]."/><meta name="DC.type" content="text"/><meta name="DC.title" content="N,N'-Bis(5-bromo-2-hydroxybenzylidene)-2,2-dimethylpropane-1,3-diamine"/><meta name="DCTERMS.abstract" content="The crystal structure of the title Schiff base compound, C19H20Br2N2O2, contains two crystallographically independent molecules (A and B) in the asymmetric unit, with similar conformations. Intramolecular O-H...N (x 4) and C-H...N (x 5) hydrogen bonds form six- and five-membered rings, producing S(6) and S(5) ring motifs, respectively. One of the N atoms in molecule A acts as a trifurcated acceptor, the rest of the N atoms being bifurcated acceptors. The dihedral angles between the benzene rings in molecules A and B are 47.83 (17) and 61.11 (17)degrees, respectively. The molecular conformation is stabilized by intramolecular O-H...N and C-H...N hydrogen bonds. The short distances between the centroids of the benzene rings [3.7799 (19)-3.890 (2) A] indicate the existence of [pi]-[pi] interactions. In addition, the crystal structure is further stabilized by an intermolecular C-H...O hydrogen bond, C-H...[pi] interactions, and short intermolecular Br...Br and Br...O contacts [3.4786 (5) and 3.149 (3) A, respectively]."/><meta name="prism.number" content="10"/><meta name="prism.volume" content="64"/><meta name="prism.publicationDate" content="2008-10-01"/><meta name="prism.publicationName" content="Acta Crystallographica Section E: Structure Reports Online"/><meta name="prism.issn" content="1600-5368"/><meta name="prism.section" content="organic compounds"/><meta name="prism.startingPage" content="1895"/><meta name="prism.rightsAgent" content="med@iucr.org"/><meta name="prism.endingPage" content="1896"/><meta name="prism.eissn" content="1600-5368"/><meta name="keywords" lang="en" content=""/><meta name="ROBOTS" content="NOARCHIVE,NOINDEX"/><!--
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  10.                         <dc:title>N,N'-Bis(5-bromo-2-hydroxybenzylidene)-2,2-dimethylpropane-1,3-diamine</dc:title>
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