Received 16 October 2013
aDepartment of Studies and Research in Chemistry, 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 572 103, Karnataka, India,dDepartment of Physics, Karnatak University, Dharwad, Karnataka 580 003, India, and eDepartment of Studies and Research in Chemistry, U.C.S., Tumkur University, Tumkur, Karnataka 572 103, India
Correspondence e-mail: email@example.com
The title compound, C14H12ClNO4S, crystallizes with two molecules in the asymmetric unit. The dihedral angles between the benzene rings are 89.68 (1) (molecule 1) and 82.9 (1)° (molecule 2). In each molecule, intramolecular N-HO hydrogen bonds between the amide H atom and the methoxy O atom generate S(6) loops. In the crystal, molecule 2 is linked into inversion dimers through pairs of C-HO interactions, forming an R22(8) ring motif. Molecules 1 and 2 are further linked along the b-axis direction through C-H interactions. The crystal structure is further stabilized by several - stacking interactions [centroid-centroid separations = 3.7793 (1), 3.6697 (1) and 3.6958 (1) Å], thus generating a three-dimensional architecture.
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: SJ5359 ).
PAS thanks the University Grants Commission (UGC), India, for financial support under its Minor Research Project scheme. JT thanks the Department of Science and Technology (DST), New Delhi, for the SCXRD facility under the PURSE Grant (SR/S9/Z-23/2008/11, 2009) at USIC, Karnatak University.
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