Delta Scf With Subsystem Density Embedding For Efficient Nonadiabatic Molecular Dynamics In Condensed-Phase Systems
JOURNAL OF CHEMICAL THEORY AND COMPUTATION(2021)
Abstract
An approach combining subsystem density embedding with the variational delta self-consistent field is presented, which extends current capabilities for excited-electronic-state calculations. It was applied on full-atomic nonadiabatic dynamics of a solvated diimide system, demonstrating that comparable accuracy can be achieved for this system for the investigated configuration space and with a shorter simulation time than the computationally more expensive conventional Kohn-Sham density functional theory-based method. This opens a new pragmatic technique for efficient simulation of nonadiabatic processes in the condensed phase, in particular, for liquids.
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