(1Z,2E)-N′-{1-[2-(4-Bromophenyl)hydrazin-1-ylidene]-1-chloropropan-2-ylidene}thiophene-2-carbohydrazide

In the title compound, C14H12BrClN4OS, the thienyl ring is disordered over two orientations with a site-occupancy ratio of 0.853 (2):0.147 (2). The molecule is roughly planar, with the dihedral angles between the thienyl and benzene rings being 6.24 (16) and 9.7 (11)° for the major and minor components, respectively. The central fragment is almost planar [r.m.s. deviation = 0.0275 (2) Å for the ten non-H atoms]. The mean plane through this middle unit makes a dihedral angle of 2.71 (7)° with the benzene ring, whereas these values are 4.46 (15) and 7.7 (11)° for the major and minor components of the thienyl ring, respectively. In the crystal, molecules are linked into dimers by pairs of N—H...O hydrogen bonds, forming R22(8) ring motifs. These dimers are arranged into sheets parallel to the ac plane.

Abstract licence: CC BY

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