Abstract
The bond-order-conservation morse-potential (BOC-MP) approach has been used to calculate the total energy of C 2H x species in the adsorbed state, the relative stability of C 2H x adsorption in a dieoordinated versus a monocoordinated configuration, and the effects of metal composition and the structure of C 2H x species on the activation energy for OH and CC bond cleavage. The influence of metal composition on the thermal decomposition of C 2H 4 and C 2H 2, the hydrogenation of C 2H 4 and C 2H 2, and the hydrogenolysis of C 2H 6 are discussed in the light of these calculations. We find that most of the BOC-MP projections are in good agreement with experiment; however, some inconsistencies are noted and these are discussed.
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