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Article | REF: P2656 V1

Theory of molecular spectra

Author: Alain PETIT

Publication date: March 10, 2002, Review date: January 5, 2017

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6. Coupling cases

In the previous section, we assumed that the angular momentum Jℏ came entirely from nuclear rotation; but if the electronic angular momentum is not zero, J must be interpreted as resulting from three contributions: rotational, spin and orbital.

Angular momentum coupling for Hund's a and b cases
Figure 6  -...
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