Neural network potential energy surfaces for small molecules and reactions

S Manzhos, T Carrington Jr - Chemical Reviews, 2020 - ACS Publications
We review progress in neural network (NN)-based methods for the construction of
interatomic potentials from discrete samples (such as ab initio energies) for applications in …

Potential energy surfaces from high fidelity fitting of ab initio points: the permutation invariant polynomial - neural network approach

B Jiang, J Li, H Guo - International Reviews in Physical Chemistry, 2016 - Taylor & Francis
With advances in ab initio theory, it is now possible to calculate electronic energies within
chemical (< 1 kcal/mol) accuracy. However, it is still challenging to represent faithfully a …

Roadmap on machine learning in electronic structure

HJ Kulik, T Hammerschmidt, J Schmidt, S Botti… - Electronic …, 2022 - iopscience.iop.org
In recent years, we have been witnessing a paradigm shift in computational materials
science. In fact, traditional methods, mostly developed in the second half of the XXth century …

Neural networks vs Gaussian process regression for representing potential energy surfaces: A comparative study of fit quality and vibrational spectrum accuracy

A Kamath, RA Vargas-Hernández, RV Krems… - The Journal of …, 2018 - pubs.aip.org
For molecules with more than three atoms, it is difficult to fit or interpolate a potential energy
surface (PES) from a small number of (usually ab initio) energies at points. Many methods …

Neural network potentials for chemistry: concepts, applications and prospects

S Käser, LI Vazquez-Salazar, M Meuwly, K Töpfer - Digital Discovery, 2023 - pubs.rsc.org
Artificial Neural Networks (NN) are already heavily involved in methods and applications for
frequent tasks in the field of computational chemistry such as representation of potential …

[HTML][HTML] Communication: Fitting potential energy surfaces with fundamental invariant neural network

K Shao, J Chen, Z Zhao, DH Zhang - The Journal of Chemical Physics, 2016 - pubs.aip.org
A more flexible neural network (NN) method using the fundamental invariants (FIs) as the
input vector is proposed in the construction of potential energy surfaces for molecular …

Structure-based sampling and self-correcting machine learning for accurate calculations of potential energy surfaces and vibrational levels

PO Dral, A Owens, SN Yurchenko… - The Journal of chemical …, 2017 - pubs.aip.org
We present an efficient approach for generating highly accurate molecular potential energy
surfaces (PESs) using self-correcting, kernel ridge regression (KRR) based machine …

Machine learning for the solution of the Schrödinger equation

S Manzhos - Machine Learning: Science and Technology, 2020 - iopscience.iop.org
Abstract Machine learning (ML) methods have recently been increasingly widely used in
quantum chemistry. While ML methods are now accepted as high accuracy approaches to …

TheoReTS–An information system for theoretical spectra based on variational predictions from molecular potential energy and dipole moment surfaces

M Rey, AV Nikitin, YL Babikov, VG Tyuterev - Journal of Molecular …, 2016 - Elsevier
Abstract Knowledge of intensities of rovibrational transitions of various molecules and theirs
isotopic species in wide spectral and temperature ranges is essential for the modeling of …

Novel methodology for systematically constructing global effective models from ab initio-based surfaces: A new insight into high-resolution molecular spectra analysis

M Rey - The Journal of Chemical Physics, 2022 - pubs.aip.org
In this paper, a novel methodology is presented for the construction of ab initio effective
rotation–vibration spectroscopic models from potential energy and dipole moment surfaces …