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Thermodynamic characteristics of phase conversion of structural isomers for volatile complex of ruthenium (III) trifluoroacetylacetonate

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Abstract

The comprehensive analysis of volatile β-diketonate compound—ruthenium(III) trifruoroacetylacetonate (Ru(tfac)3)—was carried out. By means of flow method in quasi-equilibrium conditions and static method the temperature dependencies of saturated vapor pressure have been measured over solid and liquid cis- and trans-modifications of Ru(tfac)3 and isomer mixture. The thermodynamic characteristics of sublimation, evaporation, melting, and phase conversion have been calculated for structural isomers. Also by differential-scanning calorimetry the temperature meanings and the thermodynamic characteristics of melting have been determined for individual isomers of Ru(tfac)3 and their mixtures. By XRD the structures for cis- and trans-modifications have been determined. Both structures consist of neutral molecules arranged in pseudo layers.

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Acknowledgements

The study was supported by Integral Interdisciplinary Project of the Siberian Branch of the Russian Academy of Sciences N97 “The fundamentals of processes of chemical deposition of films and structures for nanoelectronics”.

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Authors and Affiliations

  1. Nikolaev Institute of Inorganic Chemistry SB RAS, Lavrentiev ave., 3, 630090, Novosibirsk, Russia

    S. V. Sysoev, L. N. Zelenina, S. V. Tkachev, K. V. Zherikova, N. B. Morozova & N. V. Kuratieva

  2. Novosibirsk State University of Architecture and Civil Engineering, Novosibirsk, Russia

    T. N. Cheremisina

Authors
  1. S. V. Sysoev
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  2. T. N. Cheremisina
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  3. L. N. Zelenina
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  4. S. V. Tkachev
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  5. K. V. Zherikova
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  6. N. B. Morozova
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  7. N. V. Kuratieva
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Correspondence to S. V. Sysoev.

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Sysoev, S.V., Cheremisina, T.N., Zelenina, L.N. et al. Thermodynamic characteristics of phase conversion of structural isomers for volatile complex of ruthenium (III) trifluoroacetylacetonate. J Therm Anal Calorim 101, 41–44 (2010). https://doi.org/10.1007/s10973-010-0859-9

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  • DOI: https://doi.org/10.1007/s10973-010-0859-9

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