Abstract
In the title compound, C12H7Cl4NO2S, the conformation of the N—C bond in the C—SO2—NH—C segment is gauche with respect to the S=O bonds. Further, the N—H bond in the C—SO2—NH—C segment is syn with respect to the ortho-Cl atoms in the aniline and sulfonyl benzene rings. The C—SO2—NH—C torsion angle is −51.98 (18)°. The sulfonyl and aniline benzene rings are tilted by 67.7 (1)° relative to each other. An intramolecular N—H⋯Cl hydrogen bond occurs.
Highlights
N—C bond in the C—SO2—NH—C segment is gauche with respect to the S O bonds
H atoms treated by a mixture of independent and constrained refinement max = 0.35 e Å 3
H atoms treated by a mixture of independent and constrained refinement w = 1/[σ2(Fo2) + (0.0428P)2 + 0.4988P]
Summary
Refinement a Department of Chemistry, Mangalore University, Mangalagangotri 574 199, Mangalore, India, and bInstitute of Materials Science, Darmstadt University of Technology, Petersenstrasse 23, D-64287 Darmstadt, Germany. R factor = 0.031; wR factor = 0.085; data-to-parameter ratio = 15.9. H atoms treated by a mixture of independent and constrained refinement max = 0.35 e Å 3. N—C bond in the C—SO2—NH—C segment is gauche with respect to the S O bonds. SO2—NH—C segment is syn with respect to the ortho-Cl atoms in the aniline and sulfonyl benzene rings. The sulfonyl and aniline benzene rings are tilted by 67.7 (1) relative to each other. An intramolecular N—H Cl hydrogen bond occurs
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