- #1
Talita
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We all know that angular molecules have 3N-6 vibrational degrees of freedom.
So, why lots of books show that water has more than 3 modes of vibration, like rocking, wagging and twisting? Another example is -CH2 group.
You can see what I said here:
http://chemistry.ncssm.edu/watervibCS.pdf
http://chemwiki.ucdavis.edu/Physica...es/Number_of_vibrational_modes_for_a_molecule
http://mutuslab.cs.uwindsor.ca/eichhorn/59-330%20lecture%20notes%202004/59-330-L13-IR2-04%203-pack.pdf
Thanks! (:
So, why lots of books show that water has more than 3 modes of vibration, like rocking, wagging and twisting? Another example is -CH2 group.
You can see what I said here:
http://chemistry.ncssm.edu/watervibCS.pdf
http://chemwiki.ucdavis.edu/Physica...es/Number_of_vibrational_modes_for_a_molecule
http://mutuslab.cs.uwindsor.ca/eichhorn/59-330%20lecture%20notes%202004/59-330-L13-IR2-04%203-pack.pdf
Thanks! (: