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Acta Cryst. (2012). E68, o3372
[ doi:10.1107/S1600536812046569 ]

2-Amino-4,6-dimethylpyrimidin-1-ium chloride

H.-L. Hu and C.-W. Yeh

Abstract: In the title compound, C6H10N3+·Cl-, the cation is essentially planar with an r.m.s. deviations of the fitted atoms of 0.008 Å. In the crystal, adjacent ions are linked by weak N-H...Cl hydrogen bonds involving the pyrimidine and amine N atoms, forming a three-dimensional network. C-H...[pi] interactions between the methyl and pyrimidine groups and [pi]-[pi] stacking [centroid-centroid distance = 3.474 (1) Å] between parallel pyrimidine ring systems are also observed.

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