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5. Rotational energy of diatomic molecules
Initially, we treat the molecule as a rigid rotator, consisting of two masses M A and M B connected by a rigid rod of length R 0 , rotating about an axis through its center of mass (figure 5 ).
The moment of inertia about this axis is given by :
with :
- µ :
- reduced mass (equation...
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Rotational energy of diatomic molecules
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