Quasi-Classical Trajectory Calculations on a Two-State Potential Energy Surface Including Nonadiabatic Coupling Terms as Friction for D+ + H2 Collisions

Mukherjee, Soumya ; Saha, Swagato ; Ghosh, Sandip ; Adhikari, Satrajit ; Sathyamurthy, Narayanasami ; Baer, Michael (2024) Quasi-Classical Trajectory Calculations on a Two-State Potential Energy Surface Including Nonadiabatic Coupling Terms as Friction for D+ + H2 Collisions The Journal of Physical Chemistry A, 128 (36). pp. 7691-7702. ISSN 1089-5639

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Official URL: http://doi.org/10.1021/acs.jpca.4c03237

Related URL: http://dx.doi.org/10.1021/acs.jpca.4c03237

Abstract

Akin to the traditional quasi-classical trajectory method for investigating the dynamics on a single adiabatic potential energy surface for an elementary chemical reaction, we carry out the dynamics on a 2-state ab initio potential energy surface including nonadiabatic coupling terms as friction terms for D+ + H2 collisions. It is shown that the resulting dynamics correctly accounts for nonreactive charge transfer, reactive non-charge transfer and reactive charge transfer processes. In addition, it leads to the formation of triatomic DH2+ species as well.

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