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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 Vibrational Predissociation Dynamics of the Acetylene - HCl Complex
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State-to-State Vibrational Predissociation Dynamics of the Acetylene - HCl Complex

机译：乙炔-HCl络合物的状态间振动预解离动力学

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摘要

Photofragment translational spectroscopy has been implemented to obtain correlated final state distributions for the acetylene - HCl complex. Vibrational predissociation is induced by exciting the asymmetric acetylene C - H stretching vibration. In contrast with previous studies of this system, which suggested that the primary dissociation channel involves intermolecular V - V energy transfer (resulting in the production of v = 1 HCl), the present study shows that the dominant channel involves intramolecular V - V energy transfer, with the majority of the excess energy remaining with the acetylene subunit. In fact, the dissociation energy determined in the present study, D_0 = 830 +- 6 cm~(-1), indicates that the HCl (v = 1) channel is closed.
机译：已经实现了光碎裂平移光谱学来获得乙炔-HCl络合物的相关最终态分布。振动预解离是通过激发不对称乙炔C-H拉伸振动而引起的。与该系统以前的研究相反，该研究表明主要解离通道涉及分子间V-V能量转移（导致产生v = 1 HCl），而本研究表明，主要通道涉及分子内V-V能量转移。 ，大部分多余的能量保留在乙炔亚单元中。实际上，在本研究中确定的离解能D_0 = 830±6 cm〜（-1）表示HCl（v = 1）通道是封闭的。

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