Abstract
A description is given of a modification of an algorithm proposed earlier [10] for the solution of the universal anharmonic mechanical spectroscopic problem, which makes it possible to find the total quartic force field from the experimental data for just one isotopic molecular species. The method is applied to the H2Se, H2S, NO2, SO2, and H2O molecules for which a rigorous solution has been obtained earlier. It was also used to solve the inverse problem in the case of the oxygen difluoride molecule for which the experimental information is insufficient to use the main algorithm. The normal problem for the19F2 16O and19F2 18O molecules is solved. A good agreement is obtained between the calculated and experimental spectroscopic values. An analysis is made of the previous experimental and theoretical work on the determination of the anharmonic force field of the oxygen difluoride molecule.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 5, pp. 11–14, May, 1980.
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Skotnikov, A.I., Yaroslavskaya, E.V. & Sverdlov, L.M. Calculation of the total quartic potential of the oxygen difluoride molecule by the method of averaging of approximate solutions. Soviet Physics Journal 23, 360–363 (1980). https://doi.org/10.1007/BF00891621
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DOI: https://doi.org/10.1007/BF00891621