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Acta Cryst. (2012). E68, o3119
[ doi:10.1107/S1600536812041943 ]

3-(6-Aminopyridinium-3-yl)benzoate monohydrate

Z.-Y. Yuan, J. Zhao and Z. Peng

Abstract: The title compound, C12H10N2O2·H2O, crystallizes as a zwitterion in which the pyridine N atom is protonated and the carboxyl OH group is deprotonated. The benzene and pyridinium rings are inclined at a dihedral angle of 54.93 (1)°. In the crystal, O-H...O and N-H...O hydrogen bonds link the molecules into a three-dimensional supramolecular network.

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