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Synthesis, Structure, and Properties of a Copper Bromide Coordination Compound with 3-Amino-4-EthoxyCarbonylPyrazole. Nature of the Nonresonant and Ferromagnetic Absorption Observed by EPR

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Abstract

Synthesis, structure, and magnetic properties of copper bromide CuL2Br2 with 3-amino-4-ethoxycarbonylpyrazole (L) are presented. The CuL2Br2 is a 1D polymer complex and crystal structure has triclinic symmetry with space group P-1. The examined compound has thermochromic properties (russet ↔ light red), and its magnetic properties are changed from paramagnetic to nonresonance and ferromagnetic ones after heat treatment (300 → 77 → 300 K) or pressure treatment (1 → 3,000 → 1 atm).

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Acknowledgments

This work was supported by the project No. 66 on the Programme of the Presidium of RAS No. 24.

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Authors and Affiliations

  1. Nikolaev Institute of Inorganic Chemistry of the Siberian Branch of the Russian Academy of Sciences, 3 Acad. Lavrentiev Ave., Novosibirsk, 630090, Russia

    A. S. Berezin, V. A. Nadolinny & L. G. Lavrenova

  2. Novosibirsk State University, 2 Pirogova Str., Novosibirsk, 630090, Russia

    A. S. Berezin & L. G. Lavrenova

Authors
  1. A. S. Berezin
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  2. V. A. Nadolinny
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  3. L. G. Lavrenova
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Correspondence to A. S. Berezin.

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Berezin, A.S., Nadolinny, V.A. & Lavrenova, L.G. Synthesis, Structure, and Properties of a Copper Bromide Coordination Compound with 3-Amino-4-EthoxyCarbonylPyrazole. Nature of the Nonresonant and Ferromagnetic Absorption Observed by EPR. J Supercond Nov Magn 28, 1007–1011 (2015). https://doi.org/10.1007/s10948-014-2720-z

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  • DOI: https://doi.org/10.1007/s10948-014-2720-z

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