Acta Cryst. (2013). E69, o1855 [ doi:10.1107/S1600536813032194 ]
Abstract: In the title compound, C6H4N4S3, the 1,3,4-thiadiazole ring is essentially planar, with an r.m.s. deviation of 0.001 Å. The two N-C-S-C torsion angles in the molecule are -23.41 (15) and 0.62 (14)°. One acetonitrile group is above the plane of the 1,3,4-thiadiazole ring and the other is below it, indicating syn and anti orientations. In the crystal, C-HN hydrogen bonds link the molecules into ribbons along .
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