Machine learning for chemical reactions

M Meuwly - Chemical Reviews, 2021 - ACS Publications
Machine learning (ML) techniques applied to chemical reactions have a long history. The
present contribution discusses applications ranging from small molecule reaction dynamics …

Rovibrational-Specific QCT and Master Equation Study on N2(X1Σg+) + O(3P) and NO(X2Π) + N(4S) Systems in High-Energy Collisions

SM Jo, S Venturi, MP Sharma, A Munafò… - The Journal of …, 2022 - ACS Publications
This work presents a detailed investigation of the energy-transfer and dissociation
mechanisms in N2 (X1Σg+)+ O (3P) and NO (X2Π)+ N (4S) systems using rovibrational …

Permutationally invariant, reproducing kernel-based potential energy surfaces for polyatomic molecules: From formaldehyde to acetone

D Koner, M Meuwly - Journal of chemical theory and computation, 2020 - ACS Publications
Constructing accurate, high-dimensional molecular potential energy surfaces (PESs) for
polyatomic molecules is challenging. Reproducing kernel Hilbert space (RKHS) …

Quantitative molecular simulations

K Töpfer, M Upadhyay, M Meuwly - Physical Chemistry Chemical …, 2022 - pubs.rsc.org
All-atom simulations can provide molecular-level insights into the dynamics of gas-phase,
condensed-phase and surface processes. One important requirement is a sufficiently …

Reactive, inelastic, and dissociation processes in collisions of atomic nitrogen with molecular oxygen

F Esposito, I Armenise - The Journal of Physical Chemistry A, 2021 - ACS Publications
Collisions of atomic nitrogen with molecular oxygen have been treated with the
quasiclassical trajectory method (QCT) in order to obtain a complete database of …

Ar+ ArH+ Reactive Collisions of Astrophysical Interest: The Case of 36Ar

MJ Montes de Oca‐Estévez, B Darna… - …, 2023 - Wiley Online Library
The reactive collision between 36Ar and the 36ArH+ species has been investigated by
means of quantum mechanical (QM), quasiclassical trajectories (QCT) and statistical …

Vibrational deactivation in O (3P)+ N2 collisions: from an old problem towards its solution

Q Hong, M Bartolomei, F Pirani… - Plasma Sources …, 2022 - iopscience.iop.org
In a recent communication [2021 Phys. Chem. Chem. Phys. 23 15475–79] we showed that
the correct modelling of vibrational quenching events in O+ N 2 (v) collisions, a fundamental …

Machine Learning Models of Vibrating H2CO: Comparing Reproducing Kernels, FCHL, and PhysNet

S Käser, D Koner, AS Christensen… - The Journal of …, 2020 - ACS Publications
Machine learning (ML) has become a promising tool for improving the quality of atomistic
simulations. Using formaldehyde as a benchmark system for intramolecular interactions, a …

Non-conventional force fields for applications in spectroscopy and chemical reaction dynamics

D Koner, SM Salehi, P Mondal… - The Journal of chemical …, 2020 - pubs.aip.org
Extensions and improvements of empirical force fields are discussed in view of applications
to computational vibrational spectroscopy and reactive molecular dynamics simulations …

Reconciling experimental and theoretical vibrational deactivation in low-energy O+ N 2 collisions

Q Hong, M Bartolomei, F Esposito, C Coletti… - Physical Chemistry …, 2021 - pubs.rsc.org
Molecular dynamics calculations of inelastic collisions of atomic oxygen with molecular
nitrogen are known to show orders of magnitude discrepancies with experimental results in …