2-(2-Nitrophenyl)-1H-benzimidazole
✍ Scribed by Li, Xue-Mei ;Du, Li-Ping ;Li, Ying ;Zhang, Shu-Sheng
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 181 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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Single-crystal X-ray study T = 100 K Mean (C-C) = 0.003 A R factor = 0.052 wR factor = 0.139 Data-to-parameter ratio = 12.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.
The title compound, C 13 H 8 Cl 2 N 2 , was prepared by reaction of o-phenylenediamine with 2,4-dichlorobenzaldehyde under reflux in ethanol. The dihedral angle between the benzimidazole system and the benzene ring is 42.00 (15) . In the crystal structure, intermolecular N-HÁ Á ÁN interactions are p
In the title compound, C~13~H~9~BrN~2~, the dihedral angle between the benzimidazole and benzene ring systems is 26.71 (9) Å. The molecules are linked by intermolecular N—H...N hydrogen bonds to form infinite chains parallel to the __b__ axis.
In the title compound, C~13~H~9~FN~2~, the dihedral angle between the benzimidazole and benzene ring systems is 29.2 (1) Å. The molecules are linked by intermolecular N—H...N hydrogen bonds to form infinite chains parallel to the __b__ axis.