Crystals of (I) were obtained by slow evaporation from an acetonitrile solution of benzimidazole and 2-chloro-4-nitrobenzoic acid in a molar ratio of 1:1.
Benzimidazolium 2-nitrobenzoate bis(2-nitrobenzoic acid)
✍ Scribed by Wang, Zi-Liang ;Wei, Lin-Heng
- Publisher
- International Union of Crystallography
- Year
- 2007
- Tongue
- English
- Weight
- 239 KB
- Volume
- 63
- Category
- Article
- ISSN
- 1600-5368
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Polarography of 5,5'-dithio bis-(2 nitrobenzoic acid) in the pH range 2-12, in Britton-Robinson buffer at constant ionic strength (0 .5 M) has been carried out. Four cathodic waves (A, B, C and D) and an anodic wave have been obtained . Wave A is produced by a reduction of pre-protonated nitro group
In the title compound, C~17~H~12~N~2~O~4~, the quinoline ring system is essentially planar. The ester group is twisted away from the quinoline ring system and nitrobenzene ring by 84.83 (3) and 80.56 (4)°, respectively. The crystal packing is stabilized by C—H...O intermolecular hydrogen bonds, and
In the crystal structure of the title 1:2 cocrystal, C~10~H~8~N~2~·2C~7~H~4~ClNO~4~, the two components are held together by short O—H...N hydrogen bonds. The pyridine rings of the bipyridyl molecule are twisted by 27.90 (5)° with respect to each other. The 1:2 units are connected by C—H...O hydroge