| Summary: | In the title compound, C15H11BrN4O2S, the tetrazole ring makes dihedral angles of 45.97 (10) and 75.41 (1)°, respectively, with the benzoyl and bromobenzene rings while the dihedral angle between the benzene rings is 73.77 (1)°. In the crystal, molecules are linked through O—H... N and C—H... O hydrogen bonds, giving infinite chains in both the [110] and [1-10] directions. These chains are further connected by C—Br...π and C—O...π interactions and also by π–π stacking between tetrazole rings [centroid–centroid distance = 3.312 (1) Å], generating a three-dimensional network.
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