Prof. Manori Perera, Prof. Ricardo B. Metz, Dr. Oleg Kostko and Dr. Musahid Ahmed Vacuum Ultraviolet Photoionization Studies of PtCH2 and H-Pt-CH3: A Potential Energy Surface for the Pt+CH4 Reaction Angewandte Chemie International Edition 52
Does Charge Matter? Direct vacuum UV measurement of ionization energies reveals that C–H insertion by Pt to form H-Pt-CH3 is highly exoergic, while production of PtCH2+H2 is slightly endoergic. Experiments and spin-orbit DFT calculations reveal surprisingly similar energetics for dehydrogenation of methane by neutral and cationic platinum. Red lines in the picture indicate experimentally determined energies.
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