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Acta Cryst. (2008). E64, o358  [ doi:10.1107/S1600536807067888 ]


H. R. Girisha, S. Naveen, K. Vinaya, M. A. Sridhar, J. Shashidhara Prasad and K. S. Rangappa

Abstract: The title compound, C23H23ClN2O2S, was synthesized by the nucleophilic substitution of 1-benzhydrylpiperazine with 4-chlorophenylsulfonyl chloride. The piperazine ring is in a chair conformation. The geometry around the S atom is that of a distorted tetrahedron. There is a large range of bond angles around the piperazine N atoms. The dihedral angle between the least-squares plane (p1) defined by the four coplanar C atoms of the piperazine ring and the benzene ring is 81.6 (1)°. The dihedral angles between p1 and the phenyl rings are 76.2 (1) and 72.9 (2)°. The two phenyl rings make a dihedral angle of 65.9 (1)°. Intramolecular C-H...O hydrogen bonds are present.

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