Received 6 June 2013
aDepartment of Studies and Research in Chemistry, Tumkur University, Tumkur, Karnataka 572 103, India,bUniversity College of Science, Tumkur University, Tumkur, India,cDepartment of Studies and Research in Physics, U.C.S., Tumkur University, Tumkur, Karnataka 572 103, India, and dDepartment of Chemistry, University College of Science, Tumkur University, Tumkur 572 103, India
Correspondence e-mail: email@example.com
In the title compound, C13H9ClN2O5S, the dihedral angle between the benzene rings is 74.86 (11)°. The molecule is twisted at the S atom, with a dihedral angle of 82.53 (13)° between the sulfonyl benzene ring and the S-N-C=O segment. In the crystal, molecules are linked into inversion dimers through pairs of N-HO hydrogen bonds, thereby forming R22(8) loops. Molecules are linked into C(7)  chains by weak C-HO hydrogen bonds, and C-H interactions are also observed.
Data collection: APEX2 (Bruker, 2009); cell refinement: APEX2 and SAINT-Plus (Bruker, 2009); data reduction: SAINT-Plus and XPREP (Bruker, 2009); program(s) used to solve structure: SHELXS97 (Sheldrick, 2008); program(s) used to refine structure: SHELXL97 (Sheldrick, 2008); molecular graphics: Mercury (Macrae et al., 2008); software used to prepare material for publication: SHELXL97.
Supplementary data and figures for this paper are available from the IUCr electronic archives (Reference: HB7091 ).
PAS thanks the University Grants Commission (UGC), India, for financial support under its Minor Research Project scheme.
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