Accurate QM/MM Molecular Dynamics for Periodic Systems in GPU4PySCF with Applications to Enzyme Catalysis

C Li, GKL Chan - Journal of Chemical Theory and Computation, 2025 - ACS Publications
We present an implementation of the quantum mechanics/molecular mechanics (QM/MM)
method for periodic systems using GPU accelerated QM methods, a distributed multipole …

Resolving Photoinduced Femtosecond Three-Dimensional Solute–Solvent Dynamics through Surface Hopping Simulations

S Polonius, D Lehrner, L González… - Journal of Chemical …, 2024 - ACS Publications
Photoinduced dynamics in solution is governed by mutual solute–solvent interactions, which
give rise to phenomena like solvatochromism, the Stokes shift, dual fluorescence, or charge …

Excitonic Configuration Interaction: Going Beyond the Frenkel Exciton Model

T Piteša, S Polonius, L González… - Journal of Chemical …, 2024 - ACS Publications
We present the excitonic configuration interaction (ECI) method─ a fragment-based
analogue of the CI method for electronic structure calculations of multichromophoric …

[HTML][HTML] Non-adiabatic direct quantum dynamics using force fields: Toward solvation

LLE Cigrang, JA Green, S Gómez, J Cerezo… - The Journal of …, 2024 - pubs.aip.org
Quantum dynamics simulations are becoming a powerful tool for understanding photo-
excited molecules. Their poor scaling, however, means that it is hard to study molecules with …

Ultrafast Solvent Migration in an Iron Complex Revealed by Nonadiabatic Dynamics Simulations

S Polonius, L González, S Mai - 2025 - chemrxiv.org
The response of a solvation shell to molecular solute photoexcitation is an ubiquitous
phenomenon of great relevance in chemistry. This response can occur within just few tens of …

[PDF][PDF] A Linear Vibronic Coupling/Molecular Mechanics Method and Analysis of Large-Scale Simulations of Nonadiabatic Solute–Solvent Dynamics

SCC Polonius - phaidra.univie.ac.at
The excited-state dynamics of solvated systems is governed by the interactions between the
solute and solvent molecules. In order to understand this dynamics, we need to study not …