Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 7 (July 2012)

organic compounds

Acta Cryst. (2012). E68, o2069    [ doi:10.1107/S1600536812025159 ]


A. Ashraf, M. N. Tahir, W. A. Siddiqui and N. Perveen

Abstract: The asymmetric unit of the title compound, C16H16N4O2S, contains two mol­ecules (A and B) with similar conformations: the benzene rings are oriented at dihedral angles of 80.94 (10)° and 84.54 (10)° with their adjacent 1H-benzimidazole groups. In the crystal, the mol­ecules are connected by N-H...N hydrogen bonds, forming separate C(4) chains of both the A and B mol­ecules along [010]. The A and B chains are cross-linked by several C-H...O inter­actions involving the benzene rings and the sulfonyl groups, which lead to R21(5) loops in the linkage of the chains.

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