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

In the title zwitterionic molecule, C11H9N3O4, the imidazole and pyridine rings form a dihedral angle of 2.60 (2)°. An intramolecular O—H...O hydrogen bond occurs. In the crystal, pairs of N—H...O hydrogen bonds link the molecules into inversion...

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Bibliographic Details
Main Authors: Dao-Sen Liu, Jun-Guo Fang
Format: Article
Language:English
Published: International Union of Crystallography 2012-02-01
Series:Acta Crystallographica Section E
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536811055644