Automated reaction kinetics of gas-phase organic species over multiwell potential energy surfaces

J Zádor, C Martí, R Van de Vijver… - The Journal of …, 2023 - ACS Publications
Automation of rate-coefficient calculations for gas-phase organic species became possible
in recent years and has transformed how we explore these complicated systems …

Analytical ab initio hessian from a deep learning potential for transition state optimization

ECY Yuan, A Kumar, X Guan, ED Hermes… - Nature …, 2024 - nature.com
Identifying transition states—saddle points on the potential energy surface connecting
reactant and product minima—is central to predicting kinetic barriers and understanding …

Enhancing GPU-acceleration in the Python-based Simulations of Chemistry Framework

X Wu, Q Sun, Z Pu, T Zheng, W Ma, W Yan… - arxiv preprint arxiv …, 2024 - arxiv.org
We describe our contribution as industrial stakeholders to the existing open-source
GPU4PySCF project (https://github. com/pyscf/gpu4pyscf), a GPU-accelerated Python …

Evaluation of rate coefficients in the gas phase using machine-learned potentials

C Martí, C Devereux, HN Najm… - The Journal of Physical …, 2024 - ACS Publications
We assess the capability of machine-learned potentials to compute rate coefficients by
training a neural network (NN) model and applying it to describe the chemical landscape on …

Sella, an open-source automation-friendly molecular saddle point optimizer

ED Hermes, K Sargsyan, HN Najm… - Journal of Chemical …, 2022 - ACS Publications
We present a new algorithm for the optimization of molecular structures to saddle points on
the potential energy surface using a redundant internal coordinate system. This algorithm …

Pynta─ An Automated Workflow for Calculation of Surface and Gas–Surface Kinetics

MS Johnson, M Gierada, ED Hermes… - Journal of Chemical …, 2023 - ACS Publications
Many important industrial processes rely on heterogeneous catalytic systems. However,
given all possible catalysts and conditions of interest, it is impractical to optimize most …

Geometry optimization: a comparison of different open-source geometry optimizers

A Shajan, M Manathunga, AW Götz… - Journal of Chemical …, 2023 - ACS Publications
Based on a series of energy minimizations with starting structures obtained from the Baker
test set of 30 organic molecules, a comparison is made between various open-source …

Deep Learning of ab initio Hessians for Transition State Optimization

ECY Yuan, A Kumar, X Guan, ED Hermes… - arxiv preprint arxiv …, 2024 - arxiv.org
Identifying transition states--saddle points on the potential energy surface connecting
reactant and product minima--is central to predicting kinetic barriers and understanding …

Resolving the Coverage Dependence of Surface Reaction Kinetics with Machine Learning and Automated Quantum Chemistry Workflows

MS Johnson, DH Bross, J Zádor - The Journal of Physical …, 2024 - ACS Publications
Microkinetic models for catalytic systems require estimation of many thermodynamic and
kinetic parameters that can be calculated for isolated species and transition states using ab …

Force training neural network potential energy surface models

C Devereux, Y Yang, C Martí, J Zádor… - … Journal of Chemical …, 2025 - Wiley Online Library
Abstract Machine learned chemical potentials have shown great promise as alternatives to
conventional computational chemistry methods to represent the potential energy of a given …