| Summary: | 7-Dimethylamino-2-phenyl-1,2,4-triazolo[1,5-a][1,3,5]triazin-5-amine crystallized with one molecule of methanol to give the title compound, C12H13N7·CH3OH. The triazolo[1,5-a][1,3,5]triazine heterocyclic core is essentially planar as are both amino groups that are involved in π-electron delocalization with the triazolo[1,5-a][1,3,5]triazine nucleus. The methyl groups of the dimethylamino fragment are involved in the formation of weak intramolecular C—H...N hydrogen bonds with the N atoms of the heterocyclic system. The crystal packing is stabilized by intermolecular N—H...N hydrogen bonds between the triazolo[1,5-a][1,3,5]triazine molecules. The methanol solvent molecule also participates in the formation of the crystal structure via intermolecular O—H...N, N—H...O and weak C—H...O hydrogen bonds, linking the layers of triazolo[1,5-a][1,3,5]triazine molecules.
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