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Chin. Phys. B, 2015, Vol. 24(5): 053401    DOI: 10.1088/1674-1056/24/5/053401
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Stereodynamics of the reactions: F+H2/HD/HT→FH+H/D/T

Chi Xiao-Lina, Zhao Jin-Fenga b, Zhang Yong-Jiaa, Ma Feng-Caia, Li Yong-Qinga b
a Department of Physics, Liaoning University, Shenyang 110036, China;
b State Key Laboratory of Molecular Reaction Dynamics, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, China
Abstract  

Among many kinds of ways to study the properties of atom and molecule collision, the quasi-classical trajectory (QCT) method is an effective one to investigate the molecular reaction dynamics. QCT calculations have been carried out to investigate the stereodynamics of the reactions F+H2/HD/HT→FH+H/D/T, which proceed on the lowest-lying electronic states of the FH2 system based on the potential energy surface (PES) of the 12A' FH2 ground state. Although the QCT method cannot describe all quantum effects in the process of the reaction, it has unique advantages when facing a three-atoms system or complicated polyatomic systems. Differential cross sections (DCSs) and three angle distribution functions P(θr), P(ør), P(θr, ør) on the PES at the collision of 2.74~kcal/mol have been investigated. The isotope effect becomes more obvious with the reagent molecule H2 turning into HD and HT. P(θr, ør), as the joint probability density function of both polar angles θr and ør, can reflect the properties of three-dimensional dynamic more intuitively.

Keywords:  quasi-calssical trajectory      stereodynamics      potential energy surface      isotope effect  
Received:  28 October 2014      Revised:  17 November 2014      Accepted manuscript online: 
PACS:  34.50.Lf (Chemical reactions)  
  34.50.-s (Scattering of atoms and molecules)  
  31.15.xv (Molecular dynamics and other numerical methods)  
Fund: 

Project supported by the National Natural Science Foundation of China (Grant No. 11474141), the Scientific Research Foundation for the Returned Overseas Chinese Scholars (Grant No. 2014-1685), the Scientific Research Foundation for the Doctor of Liaoning University, the Special Fund Based Research New Technology of Methanol Conversion and Coal Instead of Oil, and the China Postdoctoral Science Foundation (Grant No. 2014M550158).

Corresponding Authors:  Li Yong-Qing     E-mail:  yqli@lnu.edu.cn
About author:  34.50.Lf; 34.50.-s; 31.15.xv

Cite this article: 

Chi Xiao-Lin, Zhao Jin-Feng, Zhang Yong-Jia, Ma Feng-Cai, Li Yong-Qing Stereodynamics of the reactions: F+H2/HD/HT→FH+H/D/T 2015 Chin. Phys. B 24 053401

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