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Russian Journal of Inorganic Chemistry

, Volume 62, Issue 6, pp 818–821 | Cite as

Volatility and thermal stability of vanadyl β-diketonate complexes

  • I. P. Malkerova
  • A. M. Makarevich
  • A. S. Alikhanyan
  • N. P. Kuz’mina
Physical Methods of Investigation
  • 43 Downloads

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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Copyright information

© Pleiades Publishing, Ltd. 2017

Authors and Affiliations

  • I. P. Malkerova
    • 1
  • A. M. Makarevich
    • 2
  • A. S. Alikhanyan
    • 1
  • N. P. Kuz’mina
    • 2
  1. 1.Kurnakov Institute of General and Inorganic ChemistryRussian Academy of SciencesMoscowRussia
  2. 2.Moscow State UniversityMoscowRussia

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