Synthesis and X-ray structural characterisation of Rh4(µ-CO)4(µ-SO2)3[P(OPh)3]4˙½C6H6: a ‘butterfly’ cluster with an unusual bridging mode for sulphur dioxide
Abstract
The reaction of SO2 with Rh4(CO)8[P(OPh)3]4 leads to the formation of a tetranuclear ‘butterfly’ cluster compound Rh4(µ-CO)4(µ-SO2)3[P(OPh)3]4, which has the sulphur dioxide ligand functioning in a novel bridging fashion bonding to two metal atoms through the sulphur and a third metal atom through one of the oxygen atoms.
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