website stat Chemistry 221: Degrees of Freedom

Friday, November 11, 2005

Degrees of Freedom

The vibrational spectra of most molecules is very complex. We considered how additional lines arise in diatomic spectra including isotopic substitution and "hot bands". There are many more vibrational modes available to polyatomic molecules. How many? 3N-6!

MP3 podcast

Check out the vibrational modes of CO2 at Purdue's site. You need CHIME for this.
Animations of infrared vibrational modes.
and more animations


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