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Acta Cryst. (2012). E68, o3122
[ doi:10.1107/S1600536812042274 ]


C.-G. Fan, J.-C. Chen, H. Dai, Y.-H. Wei and Y.-J. Shi

Abstract: In the title molecule, C16H16BrN5O3S, the 1,3,4-thiadiazole ring is situated under the benzene ring, forming a dihedral angle of 86.6 (2)°, and with an S...Cg (where Cg is the centroid of the benzene ring) distance of 3.312 (3) Å. The benzene and 1,3,4-thiadiazole rings form dihedral angles of 83.8 (3) and 57.7 (2)°, respectively, with the central pyrazole ring. In the absence of classical hydrogen bonds, the crystal packing is stabilized by a C-H...[pi] interaction..

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