Which of the molecules HBr, CHCl3, O2, HCN, BF3, (CH3)2O can have a pure rotational spectrum?
Which of the molecules HBr, CHCl3, O2, HCN, BF3, (CH3)2O can have a pure rotational spectrum?
Homework Answers
Pure Rotational spectrum is shown by the molecule which has permanent dipole moment. Among the given options HBr, CHCl3, HCN,(CH3)2O has permanent dipole moment.thus they show rotational spectrum.But O2 and BF3 has no dipole moment so they do not show rotational spectrum. NOTE;\-Raman rotational spectrum is shown by both polar and non polar molecule.
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