Acta Cryst. (2012). E68, o3195
[ doi:10.1107/S1600536812043231 ]

2-Amino-5-methylpyridinium 3-chlorobenzoate

K. Thanigaimani, A. Farhadikoutenaei, N. C. Khalib, S. Arshad and I. A. Razak

Abstract: The 3-chlorobenzoate anion of the title salt, C₆H₉N₂⁺·C₇H₄ClO₂^-, is nearly planar with a dihedral angle of 2.44 (13)° between the benzene ring and the carboxylate group. In the crystal, the protonated N atom and the 2-amino group of the cation are hydrogen bonded to the carboxylate O atoms of the anion via a pair of N-HO hydrogen bonds with an R₂²(8) ring motif, forming an approximately planar ion pair with a dihedral angle of 7.92 (5)° between the pyridinium and benzene rings. The ion pairs are further connected via N-HO and C-HO hydrogen bonds, forming a two-dimensional network parallel to the bc plane.

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