Abstract
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].
Highlights
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 geometry of the title compound suggests sp3-hybridization of the S atom caused by the greatly polarized linkage W—S—C bond angle, which is close to tetrahedral [109.50 (3) ]
Summary
Lahcène Ouahabd and Abdelhamid Moussera a Département de Chimie, Faculté des Sciences Exactes, Université Mentouri.
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