Acta Cryst. (2013). E69, o279
[ doi:10.1107/S1600536813001785 ]

4-Methylpyridinium 4-hydroxybenzoate

S. Sudhahar, M. Krishnakumar, B. M. Sornamurthy, G. Chakkaravarthi and R. Mohankumar

Abstract: In the crystal structure of the title salt, C₆H₈N⁺·C₇H₅O₃^-, the anions and cations are linked by classical N-HO hydrogen bonds. The anions are connected by pairs of C-HO hydrogen bonds into inversion dimers and further linked by classical O-HO hydrogen bonds. Weak - interactions [centroid-centroid distances = 3.740 (3) and 3.855 (3) Å] also occur. The dihedral angle between the CO₂^- group and the benzene ring to which it is attached is 20.95 (8)°.

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