| Summary: | The structure of the title sulfonamide, C12H15Cl2NO2S, features a distorted tetrahedral geometry for the S atom [maximum deviation: O—S—O = 120.23 (14)°]. One of the sulfonamide O atoms is coplanar with the benzene ring [C—C—S—O torsion angle = −174.5 (2)°], whereas the other lies well above the plane [C—C—S—O = 57.0 (3)°]. A chair conformation is found for the cyclohexyl ring. In the crystal, supramolecular chains aligned along the c axis are formed via N—H...O hydrogen bonds; these are consolidated in the three-dimensional packing by C—H...O contacts involving the second sulfonamide O atom.
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