| Hydrogen-bonded structures of the isomeric compounds of quinoline with 2-chloro-5-nitrobenzoic acid, 3-chloro-2-nitrobenzoic acid, 4-chloro-2-nitrobenzoic acid and 5-chloro-2-nitrobenzoic acid. | |
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MedLine Citation:
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PMID: 19805889 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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The structures of four isomeric compounds, all C7H4ClNO4.C9H7N, of quinoline with chloro- and nitro-substituted benzoic acid, namely, 2-chloro-5-nitrobenzoic acid-quinoline (1/1), (I), 3-chloro-2-nitrobenzoic acid-quinoline (1/1), (II), 4-chloro-2-nitrobenzoic acid-quinoline (1/1), (III), and 5-chloro-2-nitrobenzoic acid-quinoline (1/1), (IV), have been determined at 185 K. In each compound, a short hydrogen bond is observed between the pyridine N atom and a carboxyl O atom. The N...O distances are 2.6476 (13), 2.5610 (13), 2.5569 (12) and 2.5429 (12) A for (I), (II), (III) and (IV), respectively. Although in (I) the H atom in the hydrogen bond is located at the O site, in (II), (III) and (IV) the H atom is disordered in the hydrogen bond over two positions with (N site):(O site) occupancies of 0.39 (3):0.61 (3), 0.47 (3):0.53 (3) and 0.65 (3):0.35 (3), respectively. |
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Authors:
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Kazuma Gotoh; Hiroyuki Ishida |
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Publication Detail:
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Type: Journal Article Date: 2009-09-30 |
Journal Detail:
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Title: Acta crystallographica. Section C, Crystal structure communications Volume: 65 ISSN: 1600-5759 ISO Abbreviation: Acta Crystallogr C Publication Date: 2009 Oct |
Date Detail:
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Created Date: 2009-10-06 Completed Date: 2009-11-13 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8305826 Medline TA: Acta Crystallogr C Country: Denmark |
Other Details:
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Languages: eng Pagination: o534-8 Citation Subset: - |
Affiliation:
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Department of Chemistry, Faculty of Science, Okayama University, Okayama 700-8530, Japan. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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