The complex [Pt2(mu-pp3)2] (pp3 =P(CH2CH2PPh2)3), produced by treatment of [PtH(pp3)]+ with sodium amalgam, has been shown to react with methyl iodide to give [PtMe(pp3)]+. The new complexes have been characterized by H-1, P-31 and Pt-195 NMR spectroscopy.