Abstract
Thermodynamic functions (ΔGf and ΔHf) of clorinated dibenzo-p-dioxins (ClnDD) with n = 0–8 were calculated at the DFT level of theory using the B3LYP functional and extended 6–31** basis sets and used to analyze possible relationship of the structures and energy characteristics of these compounds with their toxicity. A new sequence of successive isodesmic reactions, which makes it possible to calculate chemical potentials μG and μH from the ΔGf and ΔHf values, has been proposed. In the framework of this approach, satisfactory linear correlations between the chemical potentials μ and the logarithms of toxicity of the corresponding polychlorodioxins were obtained for the first time.
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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 4, pp. 0867–0869, April, 2019.
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Abronin, I.A., Volkova, L.V. On the relationship between the energy characteristics of the isodesmic reactions of polychlorinated dioxins and their toxicity. Russ Chem Bull 68, 867–869 (2019). https://doi.org/10.1007/s11172-019-2498-z
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DOI: https://doi.org/10.1007/s11172-019-2498-z