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Acta Cryst. (2013). E69, o697
[ doi:10.1107/S1600536813009501 ]

4-Benzyl-3-(thiophen-2-yl)-4,5-dihydro-1H-1,2,4-triazole-5-thione

M. M. Al-Shehri, A. A. El-Emam, N. R. El-Brollosy, S. W. Ng and E. R. T. Tiekink

Abstract: In the title compound, C13H11N3S2, the triazole and thiophene rings are coplanar [dihedral angle = 6.22 (13)°]. By contrast, the phenyl ring is perpendicular to the triazole ring [dihedral angle = 85.58 (13)°], so that the molecule has an L-shape. The thiophene S atom is syn with the ring imine N atom. In the crystal, eight-membered {...HNCS}2 synthons form between centrosymmetrically related molecules, leading to dimeric aggregates that are connected into a supramolecular layer parallel to (101) by [pi]-[pi] interactions between centrosymmetrically related triazole rings [centroid-centroid distance = 3.6091 (15) Å] and C-H...[pi] interactions.


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