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

Haitao Han; You-Song Ding; Xiaofei Zhu; Tian Han; Yan-Zhen Zheng; Wuping Liao

doi:10.1039/D0QI00792G

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

Haitao Han,‡^ab You-Song Ding,

‡^c Xiaofei Zhu,^a Tian Han,

^c Yan-Zhen Zheng

*^c and Wuping Liao

*^a

Author affiliations

* Corresponding authors

^a State Key Laboratory of Rare Earth Resource Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
E-mail: wpliao@ciac.ac.cn
Fax: +86(431)85698041

^b University of Chinese Academy of Sciences, Beijing 100049, China

^c Frontier Institute of Science and Technology (FIST), State Key Laboratory of Mechanical Behavior of Materials and MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an 710054, China
E-mail: zheng.yanzhen@xjtu.edu.cn

Abstract

Three isostructural 3d–4f polynuclear clusters {(Ln^III₆Co^II₆)(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 {(Eu^III₆Co^II₆)(C8A)₃} (CIAC-249) exhibits spin glass behaviour at ≈9 K, and the complex {(Dy^III₆Co^II₆)(C8A)₃} (CIAC-250) shows slow relaxation of magnetization.

This article is part of the themed collection: Rare Earth Chemistry – In memory of Professor Xu Guangxian at his centenary

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Article information

DOI: https://doi.org/10.1039/D0QI00792G
Article type: Research Article
Submitted: 04 Upu 2020
Accepted: 02 Leo 2020
First published: 07 Leo 2020

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Inorg. Chem. Front., 2020,7, 4070-4076

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Constructing [Co^II₆] 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, 7, 4070 DOI: 10.1039/D0QI00792G

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