Acta Cryst. (2013). E69, o1586-o1587
[ doi:10.1107/S1600536813025853 ]
Abstract: In the title compound, C20H22N5O+·Br-·C2H6O, the tetrahydropyrimidine ring of the bicyclic cation adopts a half-chair conformation with an equatorial orientation of the phenyl and methyl substituents. The amino group is nearly coplanar with the 1,2,4-triazole ring [interplanar angle = 4.08 (8)°] and has a slightly pyramidal configuration. The mean planes of the triazole ring and the benzene ring of the phenacyl group form a dihedral angle of 88.58 (7)°. In the crystal, N-HBr, N-HO and O-HBr hydrogen bonds link the cations, anions and ethanol molecules into layers parallel to the bc plane.
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