Acta Cryst. (2012). E68, o3371
[ doi:10.1107/S1600536812046533 ]
Abstract: In the title molecular salt, C12H22N5+·Cl-, the cation is protonated at the dimethyl-substituted tertiary N atom. The piperidine ring adopts a chair conformation with the exocyclic N-C bond in an equatorial orientation. The dihedral angle between the piperidine ring (all atoms) and the pyrimidine ring is 14.00 (1)°. In the crystal, the ions are connected by N-HN hydrogen bonds, forming inversion dimers, which are further connected by N-HCl hydrogen bonds. Aromatic - stacking interactions [centroid-centroid separation = 3.4790 (9) Å] are also observed in the structure.
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