Abstract
The title molecule, C23H19ClN4O2S, is in an `extended' conformation. In the crystal, pairwise N—H...N and C—H...O hydrogen bonds lead to the formation of `stair-step' chains. C—H...π interactions further contribute to the consolidation of the molecular packing. The 4-chlorophenyl group is disordered over two sets of sites in a 0.948 (2):0.052 (2) ratio. The dihedral angle between the two components of the disordered chloro-substituted benzene ring is 15.76 (9) °.
Highlights
The title molecule, C23H19ClN4O2S, is in an ‘extended’ conformation
Pairwise N—HÁ Á ÁN and C—HÁ Á ÁO hydrogen bonds lead to the formation of ‘stair-step’ chains
C—HÁ Á Á interactions further contribute to the consolidation of the molecular packing
Summary
In the last few years, the chemistry of 1,2,4-triazoles has received considerable attention owing to their synthetic and effective biological importance (Shaker, 2006). The 1,2,4-triazole ring (N1–N3/C8/C9) forms dihedral angles of 62.57 (8) and 33.48 (8), with the phenyl ring (C10–C15) attached to the 1,2,4-triazol ring and the phenyl ring (C18–C23) of the N-phenylacetamide group, respectively. The dihedral angle between the two components of the disordered chloro-substituted benzene ring is 15.76 (9). Pairwise C7—H7BÁ Á ÁO2ii [symmetry code: (ii) x + 12, y À 12, z] hydrogen bonds (Table 1 and Fig. 2). The solid residue was crystallized from ethanol to give the title compound. C23H19ClN4O2S 450.93 Monoclinic, C2/c 150 15.7940 (12), 11.1864 (8), 24.8212 (18) 95.128 (1) 4367.8 (6) 8 Mo K 0.30 0.24 Â 0.20 Â 0.11
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