Nonequilibrium solvent polarization effects in real-time electronic dynamics of solute molecules subject to time-dependent electric fields: a new feature of the polarizable continuum model - Université de Lille Accéder directement au contenu
Article Dans Une Revue Journal of Chemical Theory and Computation Année : 2019

Nonequilibrium solvent polarization effects in real-time electronic dynamics of solute molecules subject to time-dependent electric fields: a new feature of the polarizable continuum model

Résumé

We develop an extension of the time-dependent equation-of-motion formulation of the polarizable continuum model (EOM-TDPCM) to introduce nonequilibrium cavity field effects in quantum mechanical calculations of solvated molecules subject to time-dependent electric fields. This method has been implemented in Octopus, a state-of-the-art code for real-space, real-time time-dependent density functional theory (RT-TDDFT) calculations. To show the potential of our methodology, we perform EOM-TDPCM/RT-TDDFT calculations of trans-azobenzene in water and in other model solvents with shorter relaxation times. Our results for the optical absorption spectrum of trans-azobenzene show (i) that cavity field effects have a clear impact in the overall spectral shape and (ii) that an accurate description of the solute shape (as the one provided within PCM) is key to correctly account for cavity field effects.
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Dates et versions

hal-04439977 , version 1 (14-02-2024)

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Gabriel Gil, Silvio Pipolo, Alain Delgado, Carlo Andrea Rozzi, Stefano Corni. Nonequilibrium solvent polarization effects in real-time electronic dynamics of solute molecules subject to time-dependent electric fields: a new feature of the polarizable continuum model. Journal of Chemical Theory and Computation, 2019, Journal of Chemical Theory and Computation, ⟨10.1021/acs.jctc.9b00010⟩. ⟨hal-04439977⟩
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