Which factors affect the position or exact frequency of vibration-rotation transitions
a. pressure
b. ?exe (should read as greek symbol 'nu', not as 'n')
c. ?e (should read as greek symbol 'nu', not as 'n')
d. De
e. Be
f. temperature
g. rotation-electronic interaction
h. e (should read as greek symbol 'alpha', not as 'a')
i. humidity