Abstract
A critical analysis of the literature data on equilibria of gas-phase reactions involving scandium fluorides and calcium and barium monofluorides has been carried out. The most reliable values of ∆fH°(0) for gaseous ScF3 (–1251 ± 15 kJ/mol), ScF2 (–683 ± 10 kJ/mol), and ScF (–141 ± 6 kJ/mol) are recommended. These values and sequential Sc–F bond dissociation energies are in good agreement with the data of quantum mechanical calculations.
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The study was performed in the framework of the State assignment of the Kurnakov Institute of General and Inorganic Chemistry of the Russian Academy of Sciences in the field of basic research.
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Translated by G. Kirakosyan
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Nikitin, M.I., Kayumova, D.B. & Alikhanyan, A.S. Revision of Data on the Thermochemistry of Scandium Fluorides. Russ. J. Inorg. Chem. 68, 1776–1781 (2023). https://doi.org/10.1134/S0036023623602283
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DOI: https://doi.org/10.1134/S0036023623602283