Acta Cryst. (2011). E67, o2679-o2680  [ doi:10.1107/S160053681103755X ]

2-Amino-4,6-dimethoxypyrimidin-1-ium p-toluenesulfonate

S. Gomathi and P. T. Muthiah

Abstract: In the title salt, C₆H₁₀N₃O₂⁺·C₇H₇O₃S^-, the 2-amino-4,6-dimethoxypyrimidinium cation interacts with the sulfonate group of the p-toluenesulfonate anion via a pair of N-HO hydrogen bonds, forming a cyclic hydrogen-bonded R₂²(8) motif, which in the crystal is linked by further intemolecular N-HO hydrogen bonds, forming supramolecular chains along the c axis. Furthermore, neighboring chains are interlinked via weak C-HO hydrogen bonds and C-H interactions, forming layers.

Online 17 September 2011

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