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Constructing [Co II6] hexagon-centered heterometallic {Ln6Co6} (Ln = Y, Eu and Dy) clusters with a calix[8]arene ligand

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Abstract

Three isostructural 3d–4f polynuclear clusters {(LnIII6CoII6)(C8A)3} (Ln = Y (CIAC-248), Eu (CIAC-249), Dy (CIAC-250); C8A = p-tert-butylcalix[8]arene) were synthesized under solvothermal conditions. These three compounds feature some tripod-like entities in which three Ln2-C8A secondary building units acting as the legs bolster a [Co6] hexagon. Magnetic study indicated that the complex {(EuIII6CoII6)(C8A)3} (CIAC-249) exhibits spin glass behaviour at ≈9 K, and the complex {(DyIII6CoII6)(C8A)3} (CIAC-250) shows slow relaxation of magnetization.

Graphical abstract: Constructing [CoII6] hexagon-centered heterometallic {Ln6Co6} (Ln = Y, Eu and Dy) clusters with a calix[8]arene ligand

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Article information


Submitted
04 Jul 2020
Accepted
02 Sep 2020
First published
07 Sep 2020

Inorg. Chem. Front., 2020, Advance Article
Article type
Research Article

Constructing [CoII6] hexagon-centered heterometallic {Ln6Co6} (Ln = Y, Eu and Dy) clusters with a calix[8]arene ligand

H. Han, Y. Ding, X. Zhu, T. Han, Y. Zheng and W. Liao, Inorg. Chem. Front., 2020, Advance Article , DOI: 10.1039/D0QI00792G

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