3-Amino-1H-1,2,4-triazole-5(4H)-thione–4,4′-bipyridine (1/1)

The title two-component molecular crystal, C10H8N2·C2H4N4S, was obtained unexpectedly by reaction of Zn(NO3)2·6H2O, NH4BF4 with 3-amino-1,2,4-triazole-5-thione (3-AMT) and 4,4′-bipyridine in water. The dihedral angle between the pyridine rings in the 4,4′-bipyridine molecule is 17.00 (13)°. In the crystal, N—H...N and N—H...S hydrogen bonds between the components lead to the formation of a three-dimensional network. Furthermore, the structure features face-to-face π–π stacking interactions between the 4,4′-bipyridine and triazole rings, with a centroid–centroid distance of 2.976 (2) Å.

Abstract licence: CC BY

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