Abstract
The influence of water molecule symmetry on hindered rotation has been investigated for H2O-He,H2O(D2O)-CO2 systems, where CO2 molecule is treated as an atom. A strong coupling model has been used for calculating the energy spectra. The eigenfunctions of Morse oscillator and asymmetric top have been used as a basis set. The results show that experimentally observed effect of spin-selective water vapour codensation may be explained by the differences between binding energies of para- and orthomodifications for H2O(D2O) molecules.
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Epifanov, S.Y., Faizulaev, V.N. Hindered rotation of water molecule in van der Waals complex. Z Phys D - Atoms, Molecules and Clusters 23, 85–90 (1992). https://doi.org/10.1007/BF01436707
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DOI: https://doi.org/10.1007/BF01436707