阿累尼乌斯方程
反应速率常数
材料科学
热力学
物理化学
化学
动力学
物理
活化能
量子力学
作者
D. I. Ford,R. E. Johnson
出处
期刊:26th Aerospace Sciences Meeting
日期:1988-01-11
被引量:2
摘要
An interpretation of the variation of rate constants with vibrational temperature is proposed which introduces parameters analogous to those of the classical Arrhenius expression. The constancy of vibrational activation energy is studied for the dissociaton of NO, the ion-molecular reaction of O(+) with N2, and the atom exchange reaction of I with H2. It is found that when a Boltzmann distribution for vibrational states is applicable, the variation of the rate constant with the vibrational temperature can be used to define a vibrational activation energy. The method has application to exchange reactions where a vibrational energy threshold exists.
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