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Chin. Phys. B, 2016, Vol. 25(8): 083402    DOI: 10.1088/1674-1056/25/8/083402
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Effects of collision energy and rotational quantum number on stereodynamics of the reactions: H(2S)+NH(v=0, j=0, 2, 5, 10)→N(4S)+H2

Wei Wang(王伟), Yong-Jiang Yu(于永江), Gang Zhao(赵刚), Chuan-Lu Yang(杨传路)
School of Physics and Optoelectronic Engineering, Ludong University, Yantai 264025, China
Abstract  The stereodynamical properties of H(2S)+NH(v=0, j=0, 2, 5, 10)→N(4S)+H2 reactions are studied in this paper by using the quasi-classical trajectory (QCT) method with different collision energies on the double many-body expansion (DMBE) potential energy surface (PES) (Poveda L A and Varandas A J C 2005Phys. Chem. Chem. Phys. 7 2867). In a range of collision energy from 2 to 20 kcal/mol, the vibrational rotational quantum numbers of the NH molecules are specifically investigated on v=0 and j=0, 2, 5, 10 respectively. The distributions of P(θr), P(φr), P(θr, φr), (2π/σ)(dσ00/dωt) differential cross-section (DCSs) and integral cross-sections(ICSs) are calculated. The ICSs, computed for collision energies from 2 kcal/mol to 20 kcal/mol, for the ground state are in good agreement with the cited data. The results show that the reagent rotational quantum number and initial collision energy both have a significant effect on the distributions of the k-j', the k-k'-j', and the k-k' correlations. In addition, the DCS is found to be susceptible to collision energy, but it is not significantly affected by the rotational excitation of reagent.
Keywords:  quasi-classical trajectory method      stereodynamics      potential energy surface      vector correlation  
Received:  27 January 2016      Revised:  20 April 2016      Published:  05 August 2016
PACS:  34.50.Lf (Chemical reactions)  
  82.20.Kh (Potential energy surfaces for chemical reactions)  
Fund: Project supported by the Natural Science Foundation of Shandong Province, China (Grant No. 2016ZRB01066) and the University Student's Science and Technology Innovation Fund of Ludong University, China (Grant No. 131007).
Corresponding Authors:  Yong-Jiang Yu     E-mail:  y13225457193@163.com

Cite this article: 

Wei Wang(王伟), Yong-Jiang Yu(于永江), Gang Zhao(赵刚), Chuan-Lu Yang(杨传路) Effects of collision energy and rotational quantum number on stereodynamics of the reactions: H(2S)+NH(v=0, j=0, 2, 5, 10)→N(4S)+H2 2016 Chin. Phys. B 25 083402

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