NEXMD software package for nonadiabatic excited state molecular dynamics simulations

W Malone, B Nebgen, A White, Y Zhang… - Journal of Chemical …, 2020 - ACS Publications
We present a versatile new code released for open community use, the nonadiabatic excited
state molecular dynamics (NEXMD) package. This software aims to simulate nonadiabatic …

Photoexcited nonadiabatic dynamics of solvated push–pull π-conjugated oligomers with the NEXMD software

AE Sifain, JA Bjorgaard, TR Nelson… - Journal of chemical …, 2018 - ACS Publications
Solvation can be modeled implicitly by embedding the solute in a dielectric cavity. This
approach models the induced surface charge density at the solute–solvent boundary, giving …

[HTML][HTML] Solvent effects in time-dependent self-consistent field methods. II. Variational formulations and analytical gradients

JA Bjorgaard, KA Velizhanin, S Tretiak - The Journal of chemical …, 2015 - pubs.aip.org
This study describes variational energy expressions and analytical excited state energy
gradients for time-dependent self-consistent field methods with polarizable solvent effects …

Adiabatic excited-state molecular dynamics with an explicit solvent: NEXMD-SANDER implementation

DA Tracy, S Fernandez-Alberti, S Tretiak… - Journal of Chemical …, 2022 - ACS Publications
We present a method to link the Nonadiabatic EXcited-state Molecular Dynamics (NEXMD)
package to the SANDER package supplied by AMBERTOOLS to provide excited-state …

[HTML][HTML] Experimental and theoretical study of energy transfer in a chromophore triad: What makes modeling dynamics successful?

VM Freixas, T Nelson, D Ondarse-Alvarez… - The Journal of …, 2020 - pubs.aip.org
Simulation of electronic dynamics in realistically large molecular systems is a demanding
task that has not yet achieved the same level of quantitative prediction already realized for …

Nonadiabatic excited-state molecular dynamics: On-the-fly limiting of essential excited states

T Nelson, A Naumov, S Fernandez-Alberti, S Tretiak - Chemical Physics, 2016 - Elsevier
The simulation of nonadiabatic dynamics in extended molecular systems involving hundreds
of atoms and large densities of states is particularly challenging. Nonadiabatic coupling …

Two-photon absorption in conjugated energetic molecules

JA Bjorgaard, AE Sifain, T Nelson… - The Journal of …, 2016 - ACS Publications
Time-dependent density functional theory (TD-DFT) was used to investigate the relationship
between molecular structure and the one-and two-photon absorption (OPA and TPA …

Site-specific photodecomposition in conjugated energetic materials

L Lystrom, Y Zhang, S Tretiak… - The Journal of Physical …, 2018 - ACS Publications
Nonadiabatic excited-state molecular dynamics (NEXMD) has been used to study
photodecomposition in a class of recently synthesized bicyclic conjugated energetic …

Nonequilibrium solvent effects in Born-Oppenheimer molecular dynamics for ground and excited electronic states

JA Bjorgaard, KA Velizhanin, S Tretiak - The Journal of Chemical …, 2016 - pubs.aip.org
The effects of solvent on molecular processes such as excited state relaxation and
photochemical reaction often occurs in a nonequilibrium regime. Dynamic processes such …

The Implementation of QM/MM for Non-adiabatic Dynamics Using AMBER and NEXMD

D Tracy - 2021 - search.proquest.com
During photo-excitation and relaxation processes, we can no longer rely on the Born-
Oppenheimer approximation. Non-adiabatic dynamics methods are therefore essential in …