| Summary: | The asymmetric unit of the title compound, [FeCo2(C5H5)2(C3H3S3)S(C18H15P)(CO)]CF3SO3, consists of a triangular irondicobalt cluster cation and a trifluoromethanesulfonate anion. In the cation, the FeCo2 triangle is symmetrically capped on one face by an S atom and on the other by a C atom linked to a methyl trithiocarbonate residue that bridges the Fe—C bond. Each Co atom carries a cyclopentadienyl ligand while the Fe atom coordinates to one carbonyl and one triphenylphosphine ligand. In the crystal structure, the cation is linked to the anion by a number of weak non-classical C—H...O and C—H...F hydrogen bonds and weak S...O (3.317 Å) and S...F (3.198 Å) interactions. The structure is further stabilized by additional intermolecular C—H...O, C—H...F and O...O (2.942 Å) contacts, together with an unusual S...π(Cp) interaction (S...centroid distance = 3.385 Å), generating an extended network.
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