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The Requisite Electronic Structure Theory To Describe Photoexcited Nonadiabatic Dynamics: Nonadiabatic Derivative Couplings And Diabatic Electronic Couplings, Joseph E. Subotnik, Ethan Alguire, Qi Ou, Brian R. Landry, Shervin Fatehi
The Requisite Electronic Structure Theory To Describe Photoexcited Nonadiabatic Dynamics: Nonadiabatic Derivative Couplings And Diabatic Electronic Couplings, Joseph E. Subotnik, Ethan Alguire, Qi Ou, Brian R. Landry, Shervin Fatehi
Chemistry Faculty Publications and Presentations
Conspectus
Electronically photoexcited dynamics are complicated because there are so many different relaxation pathways: fluorescence, phosphorescence, radiationless decay, electon transfer, etc. In practice, to model photoexcited systems is a very difficult enterprise, requiring accurate and very efficient tools in both electronic structure theory and nonadiabatic chemical dynamics. Moreover, these theoretical tools are not traditional tools. On the one hand, the electronic structure tools involve couplings between electonic states (rather than typical single state energies and gradients). On the other hand, the dynamics tools involve propagating nuclei on multiple potential energy surfaces (rather than the usual ground state dynamics).
In this …