scholarly journals High-level ab initio potential energy surface and dynamics of the F−+ CH3I SN2 and proton-transfer reactions

2017 ◽  
Vol 8 (4) ◽  
pp. 3164-3170 ◽  
Author(s):  
Balázs Olasz ◽  
István Szabó ◽  
Gábor Czakó
Keyword(s):  
Potential Energy ◽  
Proton Transfer ◽  
Potential Energy Surface ◽  
Ab Initio ◽  
Energy Surface ◽  
Transfer Reactions ◽  
Proton Transfer Reactions ◽  
High Level

The first analyticalab initiopotential energy surface reveals the dynamics and different mechanisms of the F−+ CH3I reaction.

scholarly journals On the development of a gold-standard potential energy surface for the OH− + CH3I reaction

2020 ◽  
Vol 22 (7) ◽  
pp. 3775-3778 ◽  
Author(s):  
Domonkos A. Tasi ◽  
Tibor Győri ◽  
Gábor Czakó
Keyword(s):  
Potential Energy ◽  
Proton Transfer ◽  
Potential Energy Surface ◽  
Ab Initio ◽  
Gold Standard ◽  
Energy Surface ◽  
Transfer Reactions ◽  
Standard Potential ◽  
Proton Transfer Reactions

We develop the first accurate full-dimensional ab initio PES for the OH− + CH3I SN2 and proton-transfer reactions treating the failure of CCSD(T) at certain geometries.

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 Proton Transfer Studied Using a Combined Ab Initio Reactive Potential Energy Surface with Quantum Path Integral Methodology

2010 ◽  
Vol 6 (9) ◽  
pp. 2566-2580 ◽  
Author(s):  
Kim F. Wong ◽  
Jason L. Sonnenberg ◽  
Francesco Paesani ◽  
Takeshi Yamamoto ◽  
Jiří Vaníček ◽  
...  
Keyword(s):  
Potential Energy ◽  
Proton Transfer ◽  
Potential Energy Surface ◽  
Ab Initio ◽  
Path Integral ◽  
Energy Surface ◽  
Reactive Potential

A global ab initio potential energy surface and dynamics of the proton-transfer reaction: OH− + D2 → HOD + D−

2020 ◽  
Vol 22 (15) ◽  
pp. 8203-8211 ◽  
Author(s):  
Lulu Li ◽  
Bina Fu ◽  
Xueming Yang ◽  
Dong H. Zhang
Keyword(s):  
Potential Energy ◽  
Proton Transfer ◽  
Potential Energy Surface ◽  
Ab Initio ◽  
Reaction Mechanisms ◽  
Transfer Reaction ◽  
Energy Surface ◽  
Proton Transfer Reaction

The reaction mechanisms of OH− + D2 → HOD + D− were first revealed by theory, based on an accurate full-dimensional PES.

How flexible is the water molecule structure? Analysis of crystal structures and the potential energy surface

2020 ◽  
Vol 22 (7) ◽  
pp. 4138-4143 ◽  
Author(s):  
Milan R. Milovanović ◽  
Jelena M. Živković ◽  
Dragan B. Ninković ◽  
Ivana M. Stanković ◽  
Snežana D. Zarić
Keyword(s):  
Water Molecule ◽  
Potential Energy ◽  
Potential Energy Surface ◽  
Ab Initio ◽  
Structure Analysis ◽  
Energy Surface ◽  
Bond Angle ◽  
Low Cost ◽  
Wide Range ◽  
High Level

High level ab initio calculations predicted a possibility for energetically low-cost (±1 kcal mol−1) change of the bond angle and bond lengths in wide range,from 96.4° to 112.8° and from 0.930 Å to 0.989 Å, respectively.

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