Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 11 (November 2012)

organic compounds

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-H...O 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-H...O and C-H...O hydrogen bonds, forming a two-dimensional network parallel to the bc plane.

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