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Acta Cryst. (2013). E69, o1179  [ doi:10.1107/S1600536813016462 ]


S. Sreenivasa, H. C. Anitha, P. A. Suchetan, B. S. Palakshamurthy, J. Savanur and J. Tonannavar

Abstract: In the title compound, C18H20F2N2O2S, the central piperazine ring adopts a chair conformation. The dihedral angle between the two benzene rings is 40.20°, whereas those between the piperazine ring (considering the best fit plane through all the non-H atoms) and the sulfonyl-bound benzene and difluorobenzene rings are 74.96 and 86.16°, respectively. In the crystal, molecules are stacked along the a axis through weak C-H...O and C-H...F interactions.

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