1) The sepration between the successive lines in the rotational spectrum of a rigid
diatomic molecule is
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Answer:
For a rigid rotor diatomic molecule, the selection rules for rotational transitions are ΔJ = +/-1, ΔMJ = 0 . The rotational spectrum of a diatomic molecule consists of a series of equally spaced absorption lines, typically in the microwave region of the electromagnetic spectrum.
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The separation between the successive lines in the rotational spectrum of a rigid diatomic molecule is 2B.
Explanation:
- The frequency separation (∆v) between two successive lines found in the rotational spectrum is equal to 2B i.e. ∆ v = 2B.
- The distance between the atoms which is the bond length that does not change during rotation in a rigid diatomic molecule.
- Here no vibrational movement takes place during rotation.
- The selection rule for rotational transitions found in rigid rotor diatomic molecule are ΔJ = +/-1, ΔMJ = 0 .
- There occurs a series of absorption lines which are equally spaced in line pattern.
- they are typically in the microwave region of electromagnetic spectrum.
- The molecules have a tendency to retain the position in mass and to to polarizing or depolarizing force.
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