Abstract
The title compound, C12H10BrN3O2S, exists in an E configuration with respect to the C=N bond. The approximately planar 2H-chromene ring system [maximum deviation = 0.059 (1) Å] is inclined at a dihedral angle of 17.50 (5)° with respect to the mean plane through the thiosemicarbazide unit and an intramolecular N—H⋯N hydrogen bond generates an S(5) ring. In the crystal structure, adjacent molecules are linked by N—H⋯S hydrogen bonds, forming [010] chains built up from R 2 2(8) loops, such that each S atom accepts two such bonds. These chains are further interconnected into sheets parallel to the ab plane via short Br⋯O interactions [3.0732 (13) Å] and a π–π aromatic stacking interaction [3.7870 (8) Å] is also observed.
Highlights
The title compound, C12H10BrN3O2S, exists in an E configuration with respect to the C N bond
Adjacent molecules are linked by N—H S hydrogen bonds, forming [010] chains built up from R22(8) loops, such that each S atom accepts two such bonds
These chains are further interconnected into sheets parallel to the ab plane via short Br O interactions
Summary
USM, Penang, Malaysia, and cX-ray Crystallography Unit, School of Physics, Universiti Sains Malaysia, 11800 USM, Penang, Malaysia
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