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Volatility and thermal stability of vanadyl β-diketonate complexes

  • Physical Methods of Investigation
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Abstract

Thermal behavior and thermodynamic characteristics of vanadyl β-diketonates—acetylacetonate VO(acac)2, dipivaloylmethanate VO(thd)2, and tris-hexafluoroacetylacetonate VO(hfa)2 (Hacac, 2,4-pentanedione; Hthd, 2,2,6,6-tetramethyl-3,5-heptanedione; Hhfa, 1,1,1,5,5,5-hexafluoro-2,4-pentanedione)—have been studied by thermal analysis and the Knudsen effusion mass spectrometry study of gas phase composition. The compounds have been shown to undergo congruent sublimation. Saturated vapor over the complexes has been shown to comprise monomeric VOL2 molecules. Absolute values of partial pressures and sublimation enthalpies of these compounds have been determined.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, Moscow, 119991, Russia

    I. P. Malkerova & A. S. Alikhanyan

  2. Moscow State University, Moscow, 119991, Russia

    A. M. Makarevich & N. P. Kuz’mina

Authors
  1. I. P. Malkerova
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  2. A. M. Makarevich
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  3. A. S. Alikhanyan
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  4. N. P. Kuz’mina
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Corresponding author

Correspondence to I. P. Malkerova.

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Original Russian Text © I.P. Malkerova, A.M. Makarevich, A.S. Alikhanyan, N.P. Kuz’mina, 2017, published in Zhurnal Neorganicheskoi Khimii, 2017, Vol. 62, No. 6, pp. 838–841.

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Malkerova, I.P., Makarevich, A.M., Alikhanyan, A.S. et al. Volatility and thermal stability of vanadyl β-diketonate complexes. Russ. J. Inorg. Chem. 62, 818–821 (2017). https://doi.org/10.1134/S0036023617060134

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  • DOI: https://doi.org/10.1134/S0036023617060134

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