Abstract
The title compound, octa-μ 3 -thio-hexakis(triphenylphosphine)-octahedro-hexacobalt-triphenylphosphine-1,2-dichloroethane-water (1/2/2/1), [Co 6 S 8 (C 18 H 15 P) 6 ].2C 18 H 15 P.2C 2 H 4 Cl 2 .H 2 O, was prepared by the reaction of CoCl(PPh 3 ) 3 with Na(mpo) (mpo = 2-mercaptopyridine N-oxide) or NaS t Bu. The molecular structure consists of discrete cluster units interspersed with molecules of free triphenylphosphine and solvent. The neutral cluster contains a slightly distorted Co 6 octahedron with each triangular face symmetrically capped by a μ 3 -S ligand. The molecular structure possesses a crystallographic inversion centre. The average Co-Co, Co-S and Co-P bond distances are 2.87 (6), 2.24(1) and 2.162(7)A, respectively. The hexacobalt sulfide cluster compound was formed via the capture of S atoms from thiolate reactants.
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