(Carbonyl-1κC)bis­[2,3(η(5))-cyclo­penta­dien­yl][μ(3)-(S-methyl trithio­carbonato)methylidyne-1:2:3κ(4) C,S′′:C:C](triphenyl­phosphine-1κP)(μ(3)-sulfido-1:2:3κ(3) S)dicobalt(II)iron(II) trifluoro­methane­sulfonate

The asymmetric unit of the title compound, [FeCo(2)(C(5)H(5))(2)(C(3)H(3)S(3))S(C(18)H(15)P)(CO)]CF(3)SO(3), consists of a triangular irondicobalt cluster cation and a trifluoro­methane­sulfonate anion. In the cation, the FeCo(2) 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.