Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 12 (December 2012)

organic compounds

Acta Cryst. (2012). E68, o3361    [ doi:10.1107/S1600536812046077 ]

4-Amino­pyridinium 2-chloro-4-nitro­benzoate monohydrate

K. L. Savig and A. Lemmerer

Abstract: In the title hydrated mol­ecular salt, C5H7N2+·C7H3ClNO4-·H2O, the ions and water mol­ecules assemble into ribbons of R65(22) rings along the c axis via O(water)-H...O-, N+-H...O(water) and N-H...O- hydrogen bonds. N-H...O- hydrogen bonds connect adjacent ribbons along the c-axis direction via R44(12) rings, forming hydrogen-bonded layers. The CO2 and NO2 groups make dihedral angles of 81.8 (2) and 1.4 (2)°, respectively, with the ring in the anion.

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