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  1. No Access

    Article

    Synthesis and Physicochemical Properties of Nanopowders and Ceramics in a CeO2–Gd2O3 System

    Nanopowders with a composition of (СeO2)1–x(Gd2O3)x (x = 0.03, 0.05, 0.07, and 0.10) are synthesized by the coprecipitation method using cryotechnologies. The coherent scattering region (CSR) of the powders is 10...

    T. L. Simonenko, M. V. Kalinina, N. P. Simonenko… in Glass Physics and Chemistry (2018)

  2. No Access

    Article

    Intentional selection of coordination compounds with the required thermochemical properties on the basis of the cambridge bank of structural data

    A structural-thermochemical analysis of the Cambridge bank of structural data was performed according to specified number and types of intermolecular contacts. The TOPOS package and the SFERA and KONTAKT progr...

    M. A. Chistyakov, E. P. Simonenko, V. A. Blatov… in Russian Journal of Physical Chemistry A (2012)

  3. No Access

    Article

    Molecular structure of C(SiCl3)4 tetrakis-(trichlorosilyl)methane

    Methods of quantum chemistry and gas phase electron diffraction (at a temperature of 303±5 K) are applied to determine parameters of the geometric configuration of C(SiCl3)4 tetrakis(trichlorosilyl)methane. Frequ...

    Yu. S. Ezhov, S. A. Komarov, E. P. Simonenko… in Journal of Structural Chemistry (2009)

  4. No Access

    Article

    The thermodynamic properties and thermal decomposition of octachlorotrisilane Si3Cl8

    The standard enthalpies of formation of liquid and gaseous octachlorotrisilane were estimated, Δf H o (298.15, Si3Cl8, g) = −1397(9) kJ/mol and Δf H ...

    Yu. S. Ezhov, E. P. Simonenko… in Russian Journal of Physical Chemistry A (2009)

  5. No Access

    Article

    Molecular structure of octachlorotrisilane Si3Cl8

    The parameters of the geometrical configuration of octachlorotrisilane Si3Cl8 were determined by quantum-chemical and gas-phase electron diffraction methods at 303±2 K. The calculated barrier to the internal rota...

    Yu. S. Ezhov, S. A. Komarov, E. P. Simonenko… in Journal of Structural Chemistry (2008)

  6. No Access

    Article

    The lead(II) complexes with 18-Crown-6, 1,1,1,5,5,5-hexafluoropentane-2,4-dionate and 1,1,1-trifluoropentate-2,4-dionate anions: Synthesis, structure, and thermochemical properties

    The complexes trans-[Pb(18-crown-6)(NO3)2] (I), trans-[Pb(18-crown-6)(Hfa)2] (II), and [Pb2(18-crown-6)(Tfa)4] (III), where Hhfa is 1,1,1,5,5,5-hexafluoropentane-2,4-dione and Htfa is 1,1,1-trifluoropentane-2,4-d...

    V. G. Sevast’yanov, M. A. Chistyakov… in Russian Journal of Coordination Chemistry (2008)

  7. No Access

    Article

    Coordination compounds with the general formula trans-[M(18-crown-6)(C5HO2F6)2] as structural-thermochemical analogs. The complexes trans-[Pb(18-crown-6)(C5HO2F6)2] and trans-[Ba(18-crown-6)(C5HO2F6)2]

    The molecular geometries of the complexes trans-[M(18-crown-6)(C5HO2F6)2] (where M = Ca, Sr, Ba (I), Zn, Cd, Sn, Pb (II), Fe, Co, Eu, and Yb) were modeled by the molecular mechanics method with fixed R(M-O) dista...

    M. A. Chistyakov, E. P. Simonenko… in Russian Journal of Coordination Chemistry (2006)

  8. No Access

    Article

    Vaporization of Molecular Strontium and Barium β-Diketonates [Sr(15C5)(C5O2F6H)2] and [Ba(18C6)(C5O2F6H)2]. Structure-Thermochemical Approach

    Vaporization of the barium molecular complex [Ba(18C6)(C5O2F6H)2] and the newly prepared strontium complex [Sr(15C5)(C5O2F6H)2] was studied using a semiempirical structure-thermochemical approach. The studies of ...

    V. G. Sevast'yanov, E. P. Simonenko… in Russian Journal of Coordination Chemistry (2004)