IIT JAM
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Akif Asked a Question
September 23, 2020 7:13 pmpts 30 pts
  • IIT JAM
  • Chemistry (CY)

In rotational spectroscopy selection rule is +,-1 so how come in o,p,Q,R ,s branches of rotation-vibration spectrum change in j for s branch is 2??

In Rotational Spectroscopy selection rule is +,-1 so how come in O,P,R,S branches of Rotation-Vibration Spectrum change in J for S branch is 2??
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  • Priyanshu kumar Best Answer
    Diatomic gaseous molecule give Rotational -vibrational 'Raman' spectra are governed by following selection rule :- del v=+-1 and del J= 0 and +-2... then considering these select...
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    Priyanshu kumar
    This selection rule is only for Pure Rotational Raman spectra of diatomic molecules i.e del J=0,+-2
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