Table 1. Experimental and Theoretical Binding Energies of [M(PPh3)]+ with Unsaturated Hydrocarbons in the [M(PPh3)(Hydrocarbon)]+ π-Complexes in the Gas Phase (M = Ag/Au)63.

Calculations were performed at the mPW1PW91/cc-pVTZ/LanL2DZ level of theory and include ZPE and BSSE corrections.
