Calculation of the H2 18O rotational energy levels for the first hexad of interacting vibrational states

Abstract

The experimental rotational energy levels of six vibrational states, (021)-(101)-(120)-(200)-(002)-(040) (Canad. J. Phys., 64, 746-761 (1986)), of the H₂ ¹⁸O molecule have been fitted for determining the rotational, centrifugal, and resonance parameters. To correctly reproduce the initial experimental data, the effective vibration-rotation Hamiltonian has been improved. The parameters obtained from the fitting reproduce the initial experimental data with an average accuracy better than 0.01 cm^-1.

Original language	English
Pages (from-to)	1-9
Number of pages	9
Journal	Journal of Molecular Spectroscopy
Volume	133
Issue number	1
DOIs	https://doi.org/10.1016/0022-2852(89)90238-5
Publication status	Published - 1989

ASJC Scopus subject areas

Physical and Theoretical Chemistry
Spectroscopy
Atomic and Molecular Physics, and Optics

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10.1016/0022-2852(89)90238-5

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Ulenikov, O. N., & Zhilyakov, A. S. (1989). Calculation of the H₂ ¹⁸O rotational energy levels for the first hexad of interacting vibrational states. Journal of Molecular Spectroscopy, 133(1), 1-9. https://doi.org/10.1016/0022-2852(89)90238-5

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abstract = "The experimental rotational energy levels of six vibrational states, (021)-(101)-(120)-(200)-(002)-(040) (Canad. J. Phys., 64, 746-761 (1986)), of the H2 18O molecule have been fitted for determining the rotational, centrifugal, and resonance parameters. To correctly reproduce the initial experimental data, the effective vibration-rotation Hamiltonian has been improved. The parameters obtained from the fitting reproduce the initial experimental data with an average accuracy better than 0.01 cm-1.",

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AB - The experimental rotational energy levels of six vibrational states, (021)-(101)-(120)-(200)-(002)-(040) (Canad. J. Phys., 64, 746-761 (1986)), of the H2 18O molecule have been fitted for determining the rotational, centrifugal, and resonance parameters. To correctly reproduce the initial experimental data, the effective vibration-rotation Hamiltonian has been improved. The parameters obtained from the fitting reproduce the initial experimental data with an average accuracy better than 0.01 cm-1.

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