Derivation of spectroscopic constants of a diatomic molecule from the experimental data on highly excited vibration-rotational states: application to the HCl molecule

Alexander V. Burenin; M. Yu. Ryabikin

doi:10.1117/12.267738

3 March 1997 Derivation of spectroscopic constants of a diatomic molecule from the experimental data on highly excited vibration-rotational states: application to the HCl molecule

Alexander V. Burenin, M. Yu. Ryabikin

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Proceedings Volume 3090, 12th Symposium and School on High-Resolution Molecular Spectroscopy; (1997) https://doi.org/10.1117/12.267738
Event: 12th Symposium and School on High Resolution Molecular Spectroscopy, 1996, St. Petersburg, Russian Federation

Abstract

The relations between spectroscopic constants of the series for the energies of vibration-rotational states of a diatomic molecule constructed in references 1 and 2 and the constants Y_ij of the Dunham series are reported. The precise experimental data on the energy levels of the molecular HCl comprising practically all the discrete vibration-rotational spectrum in the ground electronic state were treated. It has been proved that the series constructed in references 1 and 2 possesses much better convergence and predicting ability than the Dunham series and enables one to derive the Y_ij constants from the adequate treatment of the whole set of experimental data concerning to the discrete spectrum of a molecule.

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Alexander V. Burenin and M. Yu. Ryabikin "Derivation of spectroscopic constants of a diatomic molecule from the experimental data on highly excited vibration-rotational states: application to the HCl molecule", Proc. SPIE 3090, 12th Symposium and School on High-Resolution Molecular Spectroscopy, (3 March 1997); https://doi.org/10.1117/12.267738

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