Research Article: 4-Chloro-N-(2-chloro­benzo­yl)benzene­sulfonamide

Date Published: June 01, 2010

Publisher: International Union of Crystallography

Author(s): B. Thimme Gowda, Sabine Foro, P. A. Suchetan, Hartmut Fuess.


In the structure of the title compound, C13H9Cl2NO3S, the conformation of the N—H bond in the C—SO2—NH—C(O) segment is anti to the C=O bond. The mol­ecule is twisted at the S atom with a torsion angle of 65.7 (2)°. The dihedral angle between the sulfonyl benzene ring and the —SO2—NH—C—O segment is 88.5 (1)°, and that between the sulfonyl and the benzoyl benzene rings is 58.0 (1)°. In the crystal, mol­ecules are linked by pairs of N—H⋯O hydrogen bonds, forming inversion dimers.

Partial Text

For our study of the effect of ring and side-chain substituents on the crystal structures of N-aromatic sulfonamides and for related structures, see: Gowda et al. (2010 ▶); Suchetan et al. (2010a ▶,b ▶,c ▶).




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