Abstract
It was established on the basis of MNDO and STO-3G quantum-chemical calculations of fluoroethylenes that the fluorine atom at the vinylic position greatly stabilizes all theσ-MOs of the molecule on account of the accepting induction effect. The absence of additional stabilization of theπ-MO is due to the antiphase overlap of the free pair of the fluorine atom and theπ-MO. The concept of the “electronic depletion of the double bond” in fluorinated olefins is not confirmed by the calculations.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 8, pp. 1801–1805, August, 1989.
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Rozhkov, I.N., Borisov, Y.A. Electronic structure and reactivity of organofluorine compounds. Russ Chem Bull 38, 1649–1653 (1989). https://doi.org/10.1007/BF00956949
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DOI: https://doi.org/10.1007/BF00956949