Discuss the pure rotational spectrum of CO₂ using the suitable diagram

Question

22 Jan 2025

Answer :

Word Count : 286

The pure rotational spectrum of carbon dioxide (CO₂) arises due to the transitions between quantized rotational energy levels of the molecule. CO₂, a linear molecule, exhibits a rotational spectrum that can be understood through the rigid rotor model.

The rotational energy levels for a linear molecule are given by the equation:

\[
E_J = B J (J + 1)
\]

where \(E_J\) is the energy of the \(J^{th}\) rotational __________ ____ _______ ______ ____ _________ ___ ________ _______.
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