How many normal modes of vibration are possible for a (5)
(i) linear molecule, and
(ii) Non-linear molecule?
1
Expert's answer
2020-04-15T13:58:27-0400
In general, a non-linear molecule with N atoms has 3N – 6 normal modes of vibration, but a linear molecule has 3N – 5 modes, because rotation about the molecular axis cannot be observed.
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