Accurate High-Level Ab Initio-Based Global Potential Energy Surface and Quantum Dynamics Calculation for the First Excited State of CH2+

2021 ◽  
Author(s):  
Hongyu Ma ◽  
Chengyuan Zhang ◽  
Yuzhi Song ◽  
Fengcai Ma ◽  
Yongqing Li
Keyword(s):  
Excited State ◽  
Potential Energy ◽  
Potential Energy Surface ◽  
Ab Initio ◽  
Quantum Dynamics ◽  
Energy Surface ◽  
First Excited State ◽  
Dynamics Calculation ◽  
High Level

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.

Inelastic vibrational dynamics of CS in collision with H2 using a full-dimensional potential energy surface

2018 ◽  
Vol 20 (45) ◽  
pp. 28425-28434 ◽  
Author(s):  
Benhui Yang ◽  
P. Zhang ◽  
C. Qu ◽  
P. C. Stancil ◽  
J. M. Bowman ◽  
...  
Keyword(s):  
Potential Energy ◽  
Potential Energy Surface ◽  
Ab Initio ◽  
Energy Surface ◽  
Invariant Polynomial ◽  
Polynomial Method ◽  
Vibrational Dynamics ◽  
Close Coupling ◽  
High Level

A six-dimensional potential energy surface for the CS–H2 system was computed using high-level ab initio theory and fitted using a hybrid invariant polynomial method. Quantum close-coupling scattering calculations have been carried out for rovibrational quenching transitions of CS induced by H2.

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.

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