In the title complex, [W(C3H6N2S)(CO)5], the W atom displays an octahedral coordination with five CO molecules and an imidazolidine-2-thione molecule. The W(CO)5 unit is coordinated by the cyclic thione ligand through a W—S dative bond. The W—S and C—S bond lengths are 2.599 (2) and 1.711 (9) Å, respectively. This last distance is significantly longer than that of free cyclic thioureas. The geometry of the title compound suggests sp
3-hybridization of the S atom caused by the greatly polarized linkage W—S—C bond angle, which is close to tetrahedral [109.50 (3)°]. In the crystal packing, N—H⋯O and N—H⋯S hydrogen-bonding interactions stabilize the structure and build up chains parallel to [101].
The asymmetric unit of the title complex, [W(C7H7NS)(CO)5], comprises two independent molecules. In each, the W atom is coordinated by five CO groups and the S atom of the benzencarbothioamide ligand in a distorted octahedral geometry. The crystal packing can be described as undulating layers of W(CO)5 and benzenecarbothioamide parallel to (001). In the crystal, components are linked via intermolecular N—H⋯O and C—H⋯O hydrogen bonds to form a dimeric chains along the [010] direction. Intramolecular N—H⋯C interactions are also observed.
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