Article,

Potential-energy surfaces and their dynamic implications

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Faraday Discussions, (1998)

Abstract

Accurate density functional and ab initio calculations have been performed to study the potential-energy surfaces (PESs) and their implications for kinetics and dynamics of: (1) the spin-forbidden reaction CH((2)Pi) + N-2 --> HCN + N(S-4); PES characteristics are calculated and used to evaluate the overall rate using non-adiabatic transition-state theory. (2) Gasphase ion-molecule reactions: C2H2+ NH3; PESs are calculated and the mechanism of efficient charge transfer and proton transfer competing with stable complex formation is discussed. C2H2++CH4; the mode-enhancement effect has been elucidated in terms of the new transition state and by direct trajectory calculations.

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