Open AccessA study of dynamic properties of exchange reaction H(D)+SH/SD by quasi-classical trajectory method
Author(s) -
徐国亮,
刘培,
刘彦磊,
张琳,
刘玉芳
Publication year - 2013
Publication title -
wuli xuebao
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.199
H-Index - 47
ISSN - 1000-3290
DOI - 10.7498/aps.62.223402
Subject(s) - potential energy surface , kinetic energy , scalar (mathematics) , angular momentum , physics , chemical kinetics , atomic physics , reaction rate constant , combustion , kinetic isotope effect , reaction rate , activation energy , chemistry , kinetics , deuterium , classical mechanics , quantum mechanics , molecule , organic chemistry , geometry , mathematics , catalysis
Sulfur in hydrogen combustion reaction chemistry, which plays an important role in meteorology, combustion reactions, and atmospheric pollution, has been extensively investigated recently. And its reverse reaction has also been a research object gradually. The research in this paper is based on the exact potential energy surface (L S J, Zhang P Y, Han K L, He G Z 2012 J. Chem. Phys. 136 094308), with using the method of quasi-classical trajectory on the exchange reaction of H (D)+SH/SD dynamic properties. In this paper, the scalar properties are calculated, including the cross section, rate constant, opacity function, product vibrational, rotational distributions, product scattering direction, rotational angular momentum orientation, and alignment properties. In this paper, how the collision energy and the isotope affect the reaction H (D)+SH/SD kinetic properties is analyzed in detail. The results show that as collision energy increases, the reaction cross section increases, product backscatter weakens gradually while the product rotational angular momentum alignment and orientation nature strengthen gradually. In addition, the isotope effect has a significant influence on the reaction kinetics. The reaction mechanism which is shown in the title and based on the reaction kinetics and the potential energy surface, is also discussed in this paper.