Why all polar molecules are infrared active?
Why all polar molecules are infrared active? Watch
- Thread Starter
- 04-01-2017 11:26
- Official TSR Representative
- 06-01-2017 12:43
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Just quoting in Danny Dorito so she can move the thread if neededSpoiler:Show(Original post by Danny Dorito)
- 06-01-2017 12:48
This is because IR vibrations are associated with a change in the dipole moment of the molecule, and hence if a molecule has a permanent dipole (i.e. is polar) then is will change when it stretches/vibrates etc