Nonadiabatic Hydrogen Tunneling Dynamics for Multiple Proton Transfer Processes with Generalized Nuclear-Electronic Orbital Multistate Density Functional Theory

JA Dickinson, S Hammes-Schiffer - Journal of Chemical Theory …, 2024 - ACS Publications
Proton transfer and hydrogen tunneling play key roles in many processes of chemical and
biological importance. The generalized nuclear-electronic orbital multistate density …

Nuclear Quantum Effects in Quantum Mechanical/Molecular Mechanical Free Energy Simulations of Ribonucleotide Reductase

M Chow, CR Reinhardt… - Journal of the American …, 2024 - ACS Publications
The enzyme ribonucleotide reductase plays a critical role in DNA synthesis and repair. Its
mechanism requires long-range radical transfer through a series of proton-coupled electron …

Beyond Electrons: Correlation and Self‐Energy in Multicomponent Density Functional Theory

C Holzer, YJ Franzke - ChemPhysChem, 2024 - Wiley Online Library
Abstract Post‐Kohn‐Sham methods are used to evaluate the ground‐state correlation
energy and the orbital self‐energy of systems consisting of multiple flavors of different …

Local Electronic Correlation in Multicomponent Møller–Plesset Perturbation Theory

L Hasecke, RA Mata - Journal of Chemical Theory and …, 2024 - ACS Publications
We present in this contribution the first application of local correlation in the context of
multicomponent methods. Multicomponent approaches allow for the targeted simulation of …

Optimization of Quantum Nuclei Positions with the Adaptive Nuclear-Electronic Orbital Approach

L Hasecke, RA Mata - The Journal of Physical Chemistry A, 2024 - ACS Publications
The use of multicomponent methods has become increasingly popular over the last years.
Under this framework, nuclei (commonly protons) are treated quantum mechanically on the …

Size and Morphology Dependent Activity of Cu Clusters for CO2 Activation and Reduction: A First Principles Investigation

S Amin, S Krishnamurty, M Ahmad Dar… - …, 2024 - Wiley Online Library
Various Cu‐based materials in diverse forms have been investigated as efficient catalysts
for electrochemical reduction of CO2; however, they suffer from issues such as higher over …

MixPI: Mixed-Time Slicing Path Integral Software for Quantized Molecular Dynamics Simulations

BA Johnson, S Bu, CJ Mundy, N Ananth - arXiv preprint arXiv:2411.11988, 2024 - arxiv.org
Path Integral Molecular Dynamics (PIMD) is a well established simulation technique to
compute exact equilibrium properties for a quantum system using classical trajectories in an …

Addressing anharmonic effects with density-fitted multicomponent density functional theory

L Hasecke, M Breitenbach, M Gimferrer, R Oswald… - 2024 - chemrxiv.org
In this contribution we present a new density-fitted multicomponent density functional theory
implementation and assess its use for the calculation of anharmonic zero-point energies …