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The 1:1 complex of 3,5-di­nitrobenzoic acid and 4-methyl­pyridine N-oxide

✍ Scribed by Moreno-Fuquen, Rodolfo ;Zambrano, Martha Lucía ;Grajales-Tamayo, Mario ;Zukerman-Schpector, Julio ;Kennedy, Alan R.


Publisher
International Union of Crystallography
Year
2001
Tongue
English
Weight
219 KB
Volume
58
Category
Article
ISSN
1600-5368

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✦ Synopsis


Single-crystal X-ray study T = 123 K Mean '(C±C) = 0.002 A Ê R factor = 0.035 wR factor = 0.095 Data-to-parameter ratio = 14.0 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.


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Dinitrobenzoic acid, 1, forms a 2:1 molecular complex with 1,4-diiodobenzene, 2, through the formation of iodo-nitro interactions utilising one of its nitro groups, rather than forming a 1 : 1 molecular complex using both the nitro groups. The result suggests the importance of the hydrogen bond inte