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[ZnEn3]CrO4 as a precursor of zinc chromite spinel

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Abstract

The structure of [ZnEn3]CrO4 (En is ethylendiamine) complex salt is determined. It is demonstrated that at room temperature the crystallographic characteristics are as follows: а = 9.0942(4) Å, с = 9.7673(4) Å, space group Р-31с (No. 163). Contrary to [ZnEn3]SO4, disordered chromate anions participate in its formation. When [ZnEn3]CrO4 is heated in a hydrogen atmosphere up to 700 °C, zinc chromite spinel is formed (а = 8.328 Å, space group Fd-3m), which has a complex nanocrystalline structure.

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Authors and Affiliations

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

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

  2. Novosibirsk National Research State University, Novosibirsk, Russia

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

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

    E. Yu. Gerasimov

Authors
  1. S. A. Gromilov
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  2. E. Yu. Gerasimov
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  3. S. P. Khranenko
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  4. V. Yu. Komarov
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  5. A. V. Zadesenets
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Correspondence to S. A. Gromilov.

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

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Gromilov, S.A., Gerasimov, E.Y., Khranenko, S.P. et al. [ZnEn3]CrO4 as a precursor of zinc chromite spinel. J Struct Chem 58, 1443–1447 (2017). https://doi.org/10.1134/S0022476617070253

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  • DOI: https://doi.org/10.1134/S0022476617070253

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