Explain the theory of vibration rotation spectrum of a molecule
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In the vapor–phase, molecules are free to rotate in three-dimensional (3D) space. ... Overtones are also IR active for molecules without a center of symmetry, and they result from transitions between the ground state and the second excited state of a normal vibration.
Answered by
1
Answer:
In the vapor–phase, molecules are free to rotate in three-dimensional (3D) space. ... Overtones are also IR active for molecules without a center of symmetry, and they result from transitions between the ground state and the second excited state of a normal vibration.
Explanation:
The spectra are often resolved into lines due to transitions from one rotational level in the ground vibrational state to one rotational level in the vibrationally excited state. ... On the high frequency side of the Q-branch the energy of rotational transitions is added to the energy of the vibrational transition.
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