1H-Benzimidazol-3-ium-2-carboxylate dihydrate

The title compound, C8H6N2O2·2H2O, crystallized as a zwitterion with the carboxyl group deprotonated and the imidazole group protonated. The dihedral angle between the benzimidazole ring and the pendant –CO2 group is 0.62 (2)°. In the crystal, mo...

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Bibliographic Details
Main Authors: Xing-Jun Yao, Qian Yuan
Format: Article
Language:English
Published: International Union of Crystallography 2011-06-01
Series:Acta Crystallographica Section E
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536811017399