The title compound, C16H18ClO2PS, displays distorted tetrahedral geome
try around the P atom and has twofold axial symmetry, with the S and C
l atoms disordered about the twofold axis, The distance between these
partially populated sites is 0.40 (2) Angstrom. The dihedral angle bet
ween the two dimethylphenyl rings is 74.54 (8)degrees and the P-O bond
distance is 1.566(2) Angstrom.