AI摘要:Molecular rotation and vibration are interconnected, with rotation periods typically longer than vibration periods. Rotational energy is averaged over multiple vibration cycles, and varies with vibrational energy levels.

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分子振动和转动运动是相互影响、不可分割的。分子转动周期通常比其振动周期大一两个数量级,在转动过程中分子转动惯量会由于分子振动引起的核间距变化而出现周期性变化,因此分子转动能量在通常意义下是指多个振动周期时间平均的转动能量。同时在不同振动能级的分子转动常数也是不同的,转动能量也与振动直接关联。

(忘记是看了什么写的记录了)