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Structure of bis-(1,1,1-trifluoro-2-(methylimino)pentanoato-4)copper(II). Thermal properties of N-methylsubstituted copper(II) β-iminoketonates

  • Structure and Properties of Coordination Compounds
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Abstract

The single crystal X-ray diffraction (XRD) method was used to determine the structure of the [Cu(mi-tfac)2] (mi-tfac = MeC(O)CHC(NMe)CF3) complex at the temperature of 150 K. The crystallographic data are as follows: space group Pnna, a = 11.8798(16) Å, b = 12.0315(16) Å, c = 10.6259(14) Å, V = 1518.8(4) Å3, Z = 4, R = 0.0288. The structure is molecular, the coordination environment of copper in the molecule adopts a distorted tetrahedral geometry. The Cu–O and Cu–N distances are 1.9182(13) Å and 1.9610(16) Å respectively, the OCuN chelate angle is 94.18(5)°. The thermal properties of the compounds [Cu(mi-tfac)2] and [Cu(RC(O)CHC(NMe)R)2] (R = Me, tBu) in the condensed phase have been studied by the methods of thermogravimetry and differential scanning calorimetry. The thermodynamic characteristics of the melting processes have been determined.

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Authors and Affiliations

  1. Nikolaev Institute of Inorganic Chemistry, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    E. S. Vikulova, S. I. Dorovskikh, A. D. Shushanyan, N. V. Kuratieva, P. A. Stabnikov, L. N. Zelenina & N. B. Morozova

  2. Novosibirsk National Research State University, Moscow, Russia

    A. D. Shushanyan, N. V. Kuratieva & L. N. Zelenina

Authors
  1. E. S. Vikulova
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  2. S. I. Dorovskikh
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  3. A. D. Shushanyan
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  4. N. V. Kuratieva
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  5. P. A. Stabnikov
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  6. L. N. Zelenina
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  7. N. B. Morozova
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Correspondence to E. S. Vikulova.

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Original Russian Text © 2015 E. S. Vikulova, S. I. Dorovskikh, A. D. Shushanyan, N. V. Kuratieva, P. A. Stabnikov, L. N. Zelenina, N. B. Morozova.

Translated from Zhurnal Strukturnoi Khimii, Vol. 56, No. 8, pp. 1611-1615, December, 2015.

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Vikulova, E.S., Dorovskikh, S.I., Shushanyan, A.D. et al. Structure of bis-(1,1,1-trifluoro-2-(methylimino)pentanoato-4)copper(II). Thermal properties of N-methylsubstituted copper(II) β-iminoketonates. J Struct Chem 56, 1550–1554 (2015). https://doi.org/10.1134/S0022476615080144

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  • DOI: https://doi.org/10.1134/S0022476615080144

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