Received 7 October 2013
aDepartment of Studies in Physics, Manasagangotri, University of Mysore, Mysore 570 006, India,bDepartment of Physics, Acharya Institute of Technology, Bangalore 560 090, India,cDepartment of Chemistry, Yuvaraja's College, University of Mysore, Mysore 570 005, India, and dSER-CAT, APS, Argonne National Laboratory, Argonne, IL-60439, USA
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The asymmetric unit of the title compound C25H19N5OS, contains two molecules, A and B. In molecule A, the dihedral angles between the pyrazole ring and the C-bound phenyl group, the N-bound phenyl group and the thiadiazole ring are 32.30 (14), 52.25 (14) and 34.94 (12)°, respectively. The corresponding angles in molecule B are 33.32 (14), 50.67 (15), and 70.30 (12)°, respectively. In the crystal, the A and B molecules are linked by pairs of N-HN hydrogen bonds, generating R22(8) loops. This dimer linkage is reinforced by two C-HO hydrogen bonds and one C-HN hydrogen bond.
Data collection: APEX2 (Bruker, 2009); cell refinement: SAINT (Bruker, 2009); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: PLATON (Spek, 2009); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HB7148 ).
Chandra would like to thank the University of Mysore for the award of an RFSMS fellowship under the head DV5/Physics/389/RFSMS/2009-2010/10.07.2012.
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