Rydberg–Klein–Rees method
The Rydberg–Klein–Rees method is a procedure used in the analysis of rotational-vibrational spectra of diatomic molecules to obtain a potential energy curve from the experimentally-known line positions.
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Wikipedia
The Rydberg–Klein–Rees method is a procedure used in the analysis of rotational-vibrational spectra of diatomic molecules to obtain a potential energy curve from the experimentally-known line positions.