Abstract
By the DFT/B3LYP method the equilibrium structures of oxygen complexes with water are calculated in various geometric conformations with symmetries C 2v and C s . By the MRCI/CASSCF method potential energy surface cross-sections of the 1.3[O2–H2O] complexation reaction are constructed. With taking into account the spin-orbit coupling, the forbidden transition moments a 1Δ g –X 3Σ g −, b 1Σ g +–a 1Δ g , c 1Σ u −–a 1Δ g , A 3Σ u +–X 3Σ g − of the complexes are calculated and changes in their intensities at different geometric configurations of the complex are revealed.
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Translated from Zhurnal Strukturnoi Khimii, Vol. 58, No. 3, pp. 453-459, March-April, 2017.
Original Russian Text © 2017 A. S. Shchepin, T. V. Peshkova, S. A. Peshkov.
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Shchepin, A.S., Peshkova, T.V. & Peshkov, S.A. Induction of radiative forbidden transitions in an oxygen molecule in O2–H2O collision complexes. J Struct Chem 58, 427–432 (2017). https://doi.org/10.1134/S0022476617030015
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DOI: https://doi.org/10.1134/S0022476617030015