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本文提出了化学反应中的振动能转移效应,用简化的物理模型处理了烷烃与卤素的取代反应,发现C—H键的振动跃迁几率能很好地说明不同类型的氢原子的反应活性,并能进一步解释选择性与取代基活性及温度的关系.可以认为烷烃的卤代反应是振动能转移效应存在的实验证据.
In this paper, the vibrational energy transfer effect in chemical reaction is proposed, and the substitution reaction between alkane and halogen is treated by a simplified physical model. It is found that the vibrational transition probability of C-H bond can well explain the reactivity of different types of hydrogen atoms. Which further explains the relationship between selectivity and substituent activity and temperature.It can be considered that the halogenated reaction of alkanes is an experimental evidence of the existence of vibrational energy transfer effect.