An Exopolyhedral Cyclized Platinaundecaborane: [(PPh₃)(PhCOS)PtB₁₀H₉(PPh₃)].1.5CHCl₃

The title platinaundecaborane species, 7,11-(μ-thiobenzoate-S:O)-7,10-bis(triphenylphosphine-P)-8:9-μH-7-platina-nido-undecaborane-chloroform (1/1.5), has a nido-type {PtB₁₀} cage with a five-membered Pt–S–C–O–B ring. Of the two PPh₃ ligands, one is bound to the Pt atom and the other to a B atom.

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