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首页> 外文期刊>The journal of physical chemistry, A. Molecules, spectroscopy, kinetics, environment, & general theory >State-to-State Rate Constant Calculations for V-V Energy Transfer in CO-N_2 Collisions
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State-to-State Rate Constant Calculations for V-V Energy Transfer in CO-N_2 Collisions

机译:CO-N_2碰撞中V-V能量转移的状态间速率常数计算

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摘要

Single and multiquantum vibrational relaxation of low and highly vibrationally excited levels of CO in collisions with N_2 is studied within the semiclassical coupled state method. The dynamics is followed using ab initio interaction potential for the short-range interaction and updated multipole expansions for the long range interaction. Compared to the previous study, a better agreement with the available experimental rate constants is obtained, particularly in the critical low temperature regime down to T = 80 K. Remarkable corrections are found for rate constants for single and multiquantum transitions between highly excited CO and N_2 molecules.
机译:在半经典耦合状态方法中研究了低和高振动激发水平的CO与N_2碰撞时的单量子振动和多量子振动弛豫。动力学是通过使用从头算起的交互作用潜力进行短程相互作用,并使用更新的多极展开进行的,以进行长程相互作用。与以前的研究相比,获得了与可用的实验速率常数更好的一致性,特别是在低至T = 80 K的临界低温条件下。对于高激发CO和N_2之间的单量子和多量子跃迁的速率常数,发现了明显的校正。分子。

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