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首页> 外文期刊>Physical chemistry chemical physics: PCCP >3D time-dependent wave-packet approach in hyperspherical coordinates for the H + O-2 reaction on the CHIPR and DMBE IV potential energy surfaces
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3D time-dependent wave-packet approach in hyperspherical coordinates for the H + O-2 reaction on the CHIPR and DMBE IV potential energy surfaces

机译:在ChipR和DMBE IV潜在能量表面上的H + O-2反应的高π坐标中的3D时间依赖性波浪分组方法

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摘要

We perform quantum dynamics calculations for the reaction H + O-2 - O + OH on the ground- state potential energy surfaces CHIPR [Varandas, J. Chem. Phys., 2013, 138, 134117] and DMBE IV [ Pastrana et al., J. Phys. Chem. 1990, 94, 8073] using a three- dimensional time- dependent wave packet formalism based on hyperspherical coordinates. Initial rovibrational state [O-2( v = 0-4, j = 1-5)] dependent reaction probabilities are calculated for the case J = 0. The J-shifting scheme is employed to estimate initial state selected integral cross-sections as well as thermal rate coefficients, which is verified using a realistic extrapolation scheme. The calculated total and state-to-state rate coefficients are compared with the findings of recent experimental studies and previous theoretical calculations.
机译:我们对反应H + O-2 - &gt进行量子动力学计算。 o + oh在地面潜在的能量表面Chipr [Varandas,J.Chem。 物理。,2013,138,134117]和DMBE IV [Pastana等,J. phys。 化学。 1990,94,8073]基于超球坐标的三维时间依赖波包形式主义。 初始振动状态[O-2(v = 0-4,j = 1-5)]计算案例j = 0的依赖反应概率。采用j移位方案来估计初始状态选择的整体横截面 以及热速率系数,其使用现实的外推方案验证。 将计算的总和状态到状态速率系数与最近的实验研究和以前的理论计算的结果进行比较。

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