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4-[2-(4-Bromo-phen-yl)hydrazinyl-idene]-3-methyl-5-oxo-4,5-dihydro-1H-pyrazole-1-carbothio-amide. 2011

Hoong-Kun Fun, and Madhukar Hemamalini, and Shobhitha Shetty, and Balakrishna Kalluraya

In the title compound, C(11)H(10)BrN(5)OS, the approximately planar pyrazole ring [maximum deviation = 0.014 (2) Å] forms a dihedral angle of 5.49 (13)° with the benzene ring. An intra-molecular N-H⋯O hydrogen bond generates an S(6) ring motif. In the crystal, mol-ecules are linked through inter-molecular N-H⋯S and N-H⋯O hydrogen bonds, forming a two-dimensional network parallel to (100). A short Br⋯Br contact of 3.5114 (6) Å is also observed.

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