Zwitterionic 4-carboxy-2-(pyridinium-2-yl)-1H-imidazole-5-carboxylate

The title compound, C10H7N3O4, is zwitterionic, with one carboxyl group deprotonated and the pyridyl group protonated. The pyridine ring is close to coplanar with the imidazole ring, making a dihedral angle of 2.79 (8)°, this conformation being maintained by the presence of an intramolecular O—H...O...

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Bibliographic Details

Published in:	IUCrData
Main Authors:	Kanglong Zhang, Xiaojin Qi, Bingnian Yuan
Format:	Article
Language:	English
Published:	International Union of Crystallography 2016-10-01
Subjects:	zwitterionic compound hydrogen-bonded dimer potential ligands crystal structure
Online Access:	http://scripts.iucr.org/cgi-bin/paper?S2414314616016412