Ab Initio Direct Dynamics Trajectory Study of the Cl-+ CH3Cl SN2 Reaction at High Reagent Translational Energy

1999 ◽  
Vol 121 (30) ◽  
pp. 7124-7129 ◽  
Author(s):  
Guosheng Li ◽  
William L. Hase
Keyword(s):  
Ab Initio ◽  
Translational Energy ◽  
Direct Dynamics ◽  
Sn2 Reaction

Ab initio and direct dynamics study on the C2H3 + CH3CH2OH reaction

2015 ◽  
Vol 114 (2) ◽  
pp. 315-324 ◽  
Author(s):  
Chaoxu Chen ◽  
Jinou Song ◽  
Chonglin Song ◽  
Gang Lv ◽  
Zhijun Li
Keyword(s):  
Ab Initio ◽  
Direct Dynamics

Transition state dynamics and a QM/MM model for the Cl– + C2H5Cl SN2 reaction

2004 ◽  
Vol 82 (6) ◽  
pp. 891-899 ◽  
Author(s):  
Lipeng Sun ◽  
Eunkyung Chang ◽  
Kihyung Song ◽  
William L Hase
Keyword(s):  
Hydrogen Atom ◽  
Transition State ◽  
Reaction Dynamics ◽  
Vibrational Frequencies ◽  
Dynamics Simulation ◽  
Rrkm Theory ◽  
Direct Dynamics ◽  
Sn2 Reaction ◽  
Classical Trajectories ◽  
Link Atom

A MP2/6-31G* direct dynamics simulation is used to study the dynamics of the central barrier [Cl-C2H5-Cl]– for the Cl– + C2H5 SN2 reaction. The majority of the trajectories move off the central barrier to form the Cl––C2H5Cl complex and appear to undergo efficient IVR as assumed by RRKM theory. However, some of the trajectories move directly to products without forming the complex, a non-RRKM result. A hydrogen atom link-atom QM/MM model is described for studying the dynamics of [X-CH2R-Y]– central barriers with the -R substituent. The model is used to calculate vibrational frequencies for the [Cl-C2H5-Cl]– central barrier.Key words: SN2 reaction dynamics, RRKM theory, QM/MM model, central barrier dynamics, direct dynamics classical trajectories.

Ab Initio Direct Dynamics Studies on the Reactions of H Atoms with CCl4and CHCl3

2002 ◽  
Vol 106 (51) ◽  
pp. 12292-12298 ◽  
Author(s):  
Li Sheng ◽  
Ze-Sheng Li ◽  
Jing-Yao Liu ◽  
Jing-Fa Xiao ◽  
Chia-Chung Sun
Keyword(s):  
Ab Initio ◽  
Direct Dynamics
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