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Cyano-Bridged d–f Ensembles of the Dysprosium Tetrapyridine Complexes with the Hexacyanoferrate Anion

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Abstract

The reactions of DyX3 · 6H2O (X = NCS, Cl) with 2,2':6',2''-terpyridine (Terpy) and K3Fe(CN)6 in aqueous-alcohol solutions afford cyano-bridged ensembles [Dy(Terpy)(H2O)3Fe(CN)6] · nH2O, [Dy2(Terpy)2(H2O)3(CO3)(NCS)Fe(CN)6] · 4H2O, and [Dy2(Terpy)2(H2O)4(CO3)(NCS)Fe(CN)6] · 11.4H2O. The compounds obtained are identified by the data of elemental analysis, IR spectroscopy, X-ray diffraction analysis, and X-ray structure analysis (CIF files CCDC nos. 1827138–1827140). The study of the magnetic properties of complex [Dy(Terpy)(H2O)3Fe(CN)6] · nH2O shows the low-spin state of Fe3+. The dynamic magnetic behavior of this complex exhibits a slow magnetic relaxation.

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ACKNOWLEDGMENTS

The authors are grateful for A.V. Gavrikov for recording IR spectra.

This work was supported by the Russian Science Foundation, project no. 14-13-00938.

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Authors and Affiliations

  1. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 119991, Moscow, Russia

    S. P. Petrosyants, A. B. Ilyukhin, N. N. Efimov & V. M. Novotortsev

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  1. S. P. Petrosyants
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  2. A. B. Ilyukhin
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  3. N. N. Efimov
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  4. V. M. Novotortsev
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Correspondence to S. P. Petrosyants.

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Translated by E. Yablonskaya

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Petrosyants, S.P., Ilyukhin, A.B., Efimov, N.N. et al. Cyano-Bridged d–f Ensembles of the Dysprosium Tetrapyridine Complexes with the Hexacyanoferrate Anion. Russ J Coord Chem 44, 660–666 (2018). https://doi.org/10.1134/S1070328418110064

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  • DOI: https://doi.org/10.1134/S1070328418110064

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