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 …

Fast predictions of reaction barrier heights: toward coupled-cluster accuracy

KA Spiekermann, L Pattanaik… - The Journal of Physical …, 2022 - ACS Publications
Quantitative estimates of reaction barriers are essential for develo** kinetic mechanisms
and predicting reaction outcomes. However, the lack of experimental data and the steep …

NWChem: Past, present, and future

E Apra, EJ Bylaska, WA De Jong, N Govind… - The Journal of …, 2020 - pubs.aip.org
Specialized computational chemistry packages have permanently reshaped the landscape
of chemical and materials science by providing tools to support and guide experimental …

Automated generation of microkinetics for heterogeneously catalyzed reactions considering correlated uncertainties

B Kreitz, P Lott, F Studt, AJ Medford… - Angewandte Chemie …, 2023 - Wiley Online Library
The study presents an ab‐initio based framework for the automated construction of
microkinetic mechanisms considering correlated uncertainties in all energetic parameters …

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 …

CatTSunami: Accelerating transition state energy calculations with pre-trained graph neural networks

B Wander, M Shuaibi, JR Kitchin, ZW Ulissi… - arxiv preprint arxiv …, 2024 - arxiv.org
Direct access to transition state energies at low computational cost unlocks the possibility of
accelerating catalyst discovery. We show that the top performing graph neural network …

Hydrogen production by NH 3 decomposition at low temperatures assisted by surface protonics

Y Ofuchi, K Mitarai, S Doi, K Saegusa, M Hayashi… - Chemical …, 2024 - pubs.rsc.org
Ammonia, which can be decomposed on-site to produce CO2-free H2, is regarded as a
promising hydrogen carrier because of its high hydrogen density, wide availability, and ease …

Automation of chemical kinetics: Status and challenges

C Cavallotti - Proceedings of the Combustion Institute, 2023 - Elsevier
Driven by synergic advancements in high performance computing and theory, the capability
to estimate rate constants from first principles has evolved considerably recently. When this …

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 …