Phosphate binding to the [Au(IPr)] moiety : inner vs. outer sphere coordination behaviour

The synthesis and characterization of a new class of cationic (NHC) gold(I) (NHC = N-Heterocyclic carbene) complex containing the phosphate counterions TRISPHAT and TRISPHAT-N have been achieved. The selection of the appropriate hexacoordinated phosphate architecture permits the isolation of complexes bearing an inner or outer sphere anionic counterion.

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