Acta Cryst. (2013). E69, o132-o133
[ doi:10.1107/S160053681205101X ]

2-Amino-5-methylpyridinium 2-hydroxy-5-chlorobenzoate

K. Thanigaimani, A. Farhadikoutenaei, S. Arshad and I. A. Razak

Abstract: In the 5-chlorosalicylate anion of the title salt, C₆H₉N₂⁺·C₇H₄ClO₃^-, an intramolecular O-HO hydrogen bond with an S(6) graph-set motif is observed and the dihedral angle between the benzene ring and the -CO₂ group is 1.6 (6)°. In the crystal, the protonated N atom and the 2-amino group of the cation are hydrogen bonded to the carboxylate O atoms via a pair of N-HO hydrogen bonds, forming an R₂²(8) ring motif. The crystal structure also features N-HO and weak C-HO interactions, resulting in a layer parallel to (10-1).

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