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[NiEn3]CrO4: Structure, thermal properties, and pseudomorphism

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Abstract

The crystal structure of [NiEn3]CrO4 (En is ethylendiamine), C6H24CrN6NiO4 is studied: a = 9.0408(5) Å, c = 9.7466(4) Å, V = 689.92(8) Å3, space group P63/mmc, Z = 2, d x = 1.704 g/cm3, Ni–N 2.133(9) Å, ∠N–Ni–N 82.4(5)°. The thermal properties are determined. When it is heated in a hydrogen atmosphere, a mixture of nanocrystalline Ni and Cr2O3 powders with coherent scattering regions of 59 nm and 90 nm respectively is formed. It is demonstrated that thermal decomposition products consist of pseudomorphic particles that inherit the sizes and shapes of initial [NiEn3]CrO4 single crystals.

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Authors and Affiliations

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

    S. P. Khranenko, V. Yu. Komarov, A. V. Zadesenets, E. A. Maksimovsky & S. A. Gromilov

  2. Novosibirsk National Research State University, Novosibirsk, Russia

    V. Yu. Komarov, A. V. Zadesenets, E. A. Maksimovsky & S. A. Gromilov

  3. Boreskov Institute of Catalysis, Siberian Branch, Russian Academy of Sciences, Novosibirsk, Russia

    E. Yu. Gerasimov

Authors
  1. S. P. Khranenko
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  2. V. Yu. Komarov
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  3. E. Yu. Gerasimov
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  4. A. V. Zadesenets
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  5. E. A. Maksimovsky
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  6. S. A. Gromilov
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Corresponding author

Correspondence to S. A. Gromilov.

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Original Russian Text © 2017 S. P. Khranenko, V. Yu. Komarov, E. Yu.Gerasimov, A. V. Zadesenets, E. A. Maksimovsky, S. A. Gromilov.

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Khranenko, S.P., Komarov, V.Y., Gerasimov, E.Y. et al. [NiEn3]CrO4: Structure, thermal properties, and pseudomorphism. J Struct Chem 58, 1448–1452 (2017). https://doi.org/10.1134/S0022476617070265

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  • DOI: https://doi.org/10.1134/S0022476617070265

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