Received 29 March 2013
aDepartment of Studies and Research in Chemistry, Tumkur University, Tumkur, Karnataka 572 103, India,bCenter for Advanced Materials and Department of Chemistry, Tumkur University Tumkur, Karnataka 572103, India,cDepartment of Studies and Research in Chemistry, U.C.S, Tumkur University, Tumkur, Karnataka 572 103, India,dDepartment of Studies and Research in Physics, U.C.S, Tumkur University, Tumkur, Karnataka 572 103, India, and eDepartment of Physics, Karnatak University, Dharwad, Karnataka 580 003, India
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In the title compound, C18H20Cl2N2O2S, the piperazine ring adopts a chair conformation. The dihedral angle between the sulfonyl-bound benzene ring and the best-fit plane through the six non-H atoms of the piperazine ring is 72.22 (12)°; those between the dichlorobenzene ring and the sulfonyl and piperazine rings are 2.44 (13) and 74.16 (2)°, respectively. In the crystal, molecules are connected through weak C-HO interactions into a hexameric unit generating a R66(60) motif in the ab plane. The molecules are also connected into C(4) chains through weak C-HN interactions. The solvent used to grow the crystal was a mixture of dichloromethane and methanol, but the resulting electron density was uninterpretable. The solvent contribution to the scattering was removed with the SQUEEZE routine in PLATON [Spek (2009). Acta Cryst. D65, 148-155]. The formula mass and unit-cell characteristics do not take into account the disordered solvent.
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: TK5213 ).
The authors thank Dr S. C. Sharma, Vice Chancellor, Tumkur University, Tumkur, for his constant encouragement. JT thanks the SCXRD facility under a PURSE Grant (SR/S9/Z-23/2008/11, 2009) at USIC, Karnatak University.
Bruker (2009). APEX2, SAINT-Plus and XPREP. Bruker AXS Inc., Madison, Wisconsin, USA.
Macrae, C. F., Bruno, I. J., Chisholm, J. A., Edgington, P. R., McCabe, P., Pidcock, E., Rodriguez-Monge, L., Taylor, R., van de Streek, J. & Wood, P. A. (2008). J. Appl. Cryst. 41, 466-470.
Sheldrick, G. M. (2008). Acta Cryst. A64, 112-122.
Spek, A. L. (2009). Acta Cryst. D65, 148-155.
Sreenivasa, S., Anitha, H. C., ManojKumar, K. E., Tonannavar, J., Jayashree, Y., Suchetan, P. A. & Palakshamurthy, B. S. (2013a). Acta Cryst. E69, o239.
Sreenivasa, S., ManojKumar, K. E., Suchetan, P. A., Tonannavar, J., Chavan, Y. & Palakshamurthy, B. S. (2013b). Acta Cryst. E69, o185.