2. UV selection rules
The theoretical problem of UV band intensity leads to the calculation of the probability of a transition. We have seen that this probability is directly accessible to experimental measurements by determining the integrated area of the absorption curve . If the curve is Gaussian, which is common in UV, this area can be evaluated by the expression :
with :
- ν 1/2 :
- line width at half-height.
The theoretical expression for this surface,...
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UV selection rules
Franck-Condon principle. Vibrational fine structure
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