A neural network potential energy surface for the F + H2O ↔ HF + OH reaction and quantum dynamics study of isotopic effect

2021 ◽  
Author(s):  
Xiaoren Zhang ◽  
Jun Chen ◽  
Xin Xu ◽  
Shu Liu ◽  
Dong H. Zhang
Keyword(s):  
Neural Network ◽  
Neural Networks ◽  
Potential Energy ◽  
Potential Energy Surface ◽  
Ab Initio ◽  
Quantum Dynamics ◽  
Energy Surface ◽  
Isotopic Effect ◽  
The Neural Networks

A global potential energy surface for the F + H2O ↔ HF + OH reaction has been constructed using the neural networks method based on ~24,000 ab initio energies calculated...

Dynamics and kinetics of the Si(1D) + H2/D2 reactions on a new global ab initio potential energy surface

2021 ◽  
Vol 23 (10) ◽  
pp. 6141-6153
Author(s):  
Jianwei Cao ◽  
Yanan Wu ◽  
Haitao Ma ◽  
Zhitao Shen ◽  
Wensheng Bian
Keyword(s):  
Molecular Dynamics ◽  
Potential Energy ◽  
Potential Energy Surface ◽  
Ab Initio ◽  
Quantum Dynamics ◽  
Energy Surface ◽  
Molecular Dynamics Calculations ◽  
Ring Polymer ◽  
Ring Polymer Molecular Dynamics ◽  
Kinetics Of

Quantum dynamics and ring polymer molecular dynamics calculations reveal interesting dynamical and kinetic behaviors of an endothermic complex-forming reaction.

scholarly journals Exact quantum dynamics background of dispersion interactions: case study for CH4·Ar in full (12) dimensions

2020 ◽  
Vol 22 (5) ◽  
pp. 2792-2802
Author(s):  
Gustavo Avila ◽  
Dóra Papp ◽  
Gábor Czakó ◽  
Edit Mátyus
Keyword(s):  
Potential Energy ◽  
Potential Energy Surface ◽  
Ab Initio ◽  
Quantum Dynamics ◽  
Energy Surface ◽  
Van Der Waals ◽  
Dispersion Interactions ◽  
Van Der Waals Complex ◽  
Exact Quantum

A full-dimensional ab initio potential energy surface is developed and utilized in full-dimensional variational vibrational computations for the CH4·Ar van-der-Waals complex.

A new potential energy surface of the OH2+ system and state-to-state quantum dynamics studies of the O+ + H2 reaction

2018 ◽  
Vol 20 (2) ◽  
pp. 1039-1050 ◽  
Author(s):  
Wentao Li ◽  
Jiuchuang Yuan ◽  
Meiling Yuan ◽  
Yong Zhang ◽  
Minghai Yao ◽  
...  
Keyword(s):  
Neural Network ◽  
Potential Energy ◽  
Potential Energy Surface ◽  
Configuration Interaction ◽  
Quantum Dynamics ◽  
Energy Surface ◽  
Basis Sets ◽  
Interaction Method ◽  
Configuration Interaction Method ◽  
Network Method

A new global potential energy surface of the O+ + H2 system was constructed with neural network method, using about 63000 ab initio points, which were calculated by employing the multi-reference configuration interaction method with aug-cc-pVTZ and aug-cc-pVQZ basis sets.

Full-dimensional quantum dynamics study of the H2 + C2H → H + C2H2 reaction on an ab initio potential energy surface

2016 ◽  
Vol 144 (19) ◽  
pp. 194309 ◽  
Author(s):  
Liuyang Chen ◽  
Kejie Shao ◽  
Jun Chen ◽  
Minghui Yang ◽  
Dong H. Zhang
Keyword(s):  
Potential Energy ◽  
Potential Energy Surface ◽  
Ab Initio ◽  
Quantum Dynamics ◽  
Energy Surface
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