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Chin. Phys. B, 2011, Vol. 20(12): 123402    DOI: 10.1088/1674-1056/20/12/123402
ATOMIC AND MOLECULAR PHYSICS Prev   Next  

Influence of rotational excitation and collision energy on the stereo dynamics of the reaction: N(4S)+H2 (v = 0, j = 0, 2, 5, 10)→NH(X3$\Sigma$-)+H

Yu Yong-Jiang(于永江), Xu Qiang(徐强), and Xu Xiu-Wei(徐秀玮)
School of Physics, Ludong University, Yantai 264025, China
Abstract  The N+H2 reaction has attracted a great deal of attention from both the experimental and the theoretical community, and most of the attention has been paid to the first excited state N(2D) atoms in collisions with hydrogen molecules and the scalar properties of the reaction. In this paper, we study the stereo dynamical properties and calculate the reaction cross sections of the N(4S) + H2 (v=0, j=0, 2, 5, 10) → NH(X3$\Sigma$-) + H using the quasi-classical trajectory (QCT) method on an accurate NH2 potential energy surface (PES) reported by Poveda and Varandas [Poveda L A and Varandas A J C 2005 Phys. Chem. Chem. Phys. 7 2867], in a collision energy range of 25 kcal·mol-1-140 kcal·mol-1. Results indicate that the reactant rotational excitation and initial collision energy both have a considerable influence on the distributions of the k-j′ correlation, the k-k′-j′ correlation and k-k′ correlation. The differential cross section is found to be sensitive to collision energy.
Keywords:  quasi-classical trajectory method      vector correlation      differential cross section  
Received:  29 May 2011      Revised:  26 June 2011      Accepted manuscript online: 
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 of China (Grant No. Z2008A02).

Cite this article: 

Yu Yong-Jiang(于永江), Xu Qiang(徐强), and Xu Xiu-Wei(徐秀玮) Influence of rotational excitation and collision energy on the stereo dynamics of the reaction: N(4S)+H2 (v = 0, j = 0, 2, 5, 10)→NH(X3$\Sigma$-)+H 2011 Chin. Phys. B 20 123402

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