The title compound contains a three-coordinate Cu+ ion bonded to the sulfon
amide nitrogen atom and to two CO ligands with Long Cu-C bonds (1.90 and 1.
91 Angstrom) and a C-Cu-C bond angle of 122 degrees. The two nu(CO) IR band
s for this compound are at 2158 (s) and 2184 (m) cm(-1).