Received 30 June 2013
aDepartment of Studies and Research in Chemistry, U.C.S., Tumkur University, Tumkur, Karnataka 572 103, India,bDepartment of Studies and Research in Physics, U.C.S., Tumkur University, Tumkur, Karnataka 572 103, India,cUniversity College of Science, Tumkur University, Tumkur, India,dSoild State and Structural Chemistry Unit, Indian Institute of Science, Bangalore, India, and eDepartment of Studies and Research in Chemistry, Tumkur University, Tumkur, Karnataka 572 103, India
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In the title compound, C14H12ClNO4S, the dihedral angle between the chloro- and methoxy-substituted benzene rings is 87.40 (1)°. In the crystal, adjacent molecules form inversion-related dimers through strong N-HO hydrogen bonds, generating R22(8) loops. The dimers are further connected through two C-HO interactions that form C(11) chains and R22(14) loops. Aromatic - stacking interactions [centroid-centroid separation = 3.8574 (1) Å] 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: HG5328 ).
PAS thanks the University Grants Commission (UGC), India, for financial support under its Minor Research Project scheme.
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