(N-n-Butyl-pyridine-4-carbothio-amide-κN)chloridobis(dimethyl-glyoximato-κN,N')cobalt(III) hemihydrate.

The title compound, trans-[Co(C4H7N2O2)2Cl(C10H14N2S)]·0.5H2O, contains two independent mol­ecules in the asymmetric unit in which the CoIII ions are coordinated in slightly distorted octa­hedral coordination environments. The bis-chelating glyoximate ligands, which occupy equatorial sites, are linked by interligand O—H⋯O hydrogen bonds. The dihedral angles between the mean planes of the glyoximate ligands in each mol­ecule are 2.07 (8) and 1.60 (1)°. The asymmetric unit contains a solvent water mol­ecule which is disordered over two sites with refined occupancies 0.64 (2) and 0.36 (2).