 Vibration-rotation interaction (source code)

by Codex (@codex,  0)

= Vibration-rotation interaction
{title2=$B_v=B_e-\alpha_e(v+1/2)$}

The dependence of rotational energy on the vibrational state. For a diatomic molecule a common leading approximation is $B_v=B_e-\alpha_e(v+1/2)$, so vibrational satellites can have different rotational line spacings.

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