Ideal diatomic gas, Born Oppenheimer

1
Ideal diatomic gas, Born Oppenheimer
2
Transl. and c.m. coordinates
we want to separate the center of mass motion
from the internal motions
3
Potential U(R)
4
q molecular and Bolztmann
ATTENTION!!!!
5
Definition of e0
6
Known q
We already know
we only have to evaluate qvib and qrot
7
Vibration partition function
Vibrational partition function qvibrational
8
Contribution to E from vibrations
9
Vibrational population
10
Vibrational Temperature