Abstract
The different models allowing the calculations of the rovibrational frequency shifts with respect to the free molecule of a molecular impurity embedded in a rare gas crystal are reviewed. It is shown that models which account for the translational motion of the impurity yield reliable results, the effects of the rare-gas translation seem to be less important. The different models currently used are described in detail and the computational procedures are discussed. Finally, it is shown that for heteronuclear diatomics, the translation-rotation coupling could play an important role.
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Silvi, B., Chandrasekharan, V., Alikhani, M.E. et al. Modelling light diatomics trapped in rare gas matrices: H2, HD and D2 in Ar, Kr and Xe. J Math Chem 10, 275–302 (1992). https://doi.org/10.1007/BF01169178
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DOI: https://doi.org/10.1007/BF01169178