Received 19 December 2012
aDepartment of Chemistry, Government College University, Faisalabad 38000, Pakistan,bDepartment of Physics, University of Sargodha, Sargodha, Pakistan,cDepartment of Chemistry, University of Aberdeen, Meston Walk, Aberdeen AB24 3UE, Scotland, and dMaterials Chemistry Laboratory, Department of Chemistry, Government College University, Lahore, Pakistan
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In the title compound, C17H16BrN3O2S, the dihedral angle between the aromatic rings is 1.24 (15)° and the C=N-N=C torsion angle is 167.7 (3)°. The conformation of the thiazine ring is an envelope, with the S atom displaced by 0.805 (3) Å from the mean plane of the other five atoms (r.m.s. deviation = 0.027 Å). In the crystal, C-HO interactions link the molecules into C(10)  chains. A weak C-H interaction is also observed.
Data collection: APEX2 (Bruker, 2007); cell refinement: SAINT (Bruker, 2007); data reduction: SAINT; program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: ORTEP-3 (Farrugia, 1997); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: NG5314 ).
MS acknowledges the support of HEC Pakistan for the PhD fellowship.
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