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C(~3P)+NO(X~2Ⅱ)→CN(X~2∑~+)+O(~3P)反应的矢量相关研究(英文)

Stereodynamics study of the C(~3p)+NO(X~2Ⅱ)→CN(X~2Σ~+)+O(~3p) reaction

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【作者】 马建军丛书林

【Author】 MA Jian-Jun~(1,2),CONG Shu-Lin~2 (1.Department of Applied Physics,Anhui University of Techonology,Maanshan 243002,China; 2.Department of Physics,Dalian University of Technology,Dalian 116024,China)

【机构】 安徽工业大学应用物理系大连理工大学物理系

【摘要】 采用准经典轨线方法研究了三个不同碰撞能下,反应C(~3P)+NO(X~2Ⅱ)→CN(X~2∑~+)+O(~3P)在Nyman等拟合的两个势能面(~2A″和~2A′)上反应物与产物之间的矢量相关.结果表明在两个势能面上产物的转动角动量矢量不仅取向,而且沿着y轴垂直于散射平面定向,产物的角动量定向依赖于碰撞能和势能面.同时,计算的四个重整化极化依赖微分截面显示产物在三个散射角被强烈极化,这与在两个势能面上的三个过渡态有关.

【Abstract】 The vector corrections between products and reagents for the reaction C(~3P)+NO(X~2Ⅱ)→CN(X~2Σ~+)+O(~3P) are studied by means of quasiclassical trajectory(QCT) method at three different collision energies on two potential energy surfaces(PESs),~2A″and ~2A′,given by Nyman.et al.[Phys. Chem.Chem.Phys 2000,2:613,Chem.Phys,2000,259:99].The results show that the product rotational angular momentum vector is not only aligned,but also along the y-axis perpendicular to the k-k′scattering plane on both PESs,orientation of product angular momentum vector depends on collision energies and PESs.At the same time,the calculated four renormalized polarization-dependent differential cross section(PDDCSs) indicate that products are strongly polarized at three scattering angles,which can ascribe to three transition states on both PESs.

  • 【文献出处】 原子与分子物理学报 ,Journal of Atomic and Molecular Physics , 编辑部邮箱 ,2009年06期
  • 【分类号】O641.1
  • 【被引频次】1
  • 【下载频次】12
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