Novel mixed-valent CoII2CoIII4LnIII4 aggregates with ligands derived from tris-(hydroxymethyl)aminomethane (Tris)

Hua Xiang; Yanhua Lan; Huan-Yong Li; Long Jiang; Tong-Bu Lu; Christopher E. Anson; Annie K. Powell

doi:10.1039/C000008F

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Novel mixed-valent Co^II₂Co^III₄Ln^III₄ aggregates with ligands derived from tris-(hydroxymethyl)aminomethane (Tris)†‡

Hua Xiang,^ab Yanhua Lan,^a Huan-Yong Li,^b Long Jiang,^b Tong-Bu Lu,*^b Christopher E. Anson^a and Annie K. Powell*^a

Author affiliations

* Corresponding authors

^a Institute of Inorganic Chemistry, Karlsruhe Institute of Technology, Engesserstr 15, Germany
E-mail: annie.powell@kit.edu
Fax: (+49) 721-608-8142

^b MOE Key Laboratory of Bioinorganic and Synthetic Chemistry/State Key Laboratory of Optoelectronic Materials and Technologies/School of Chemistry and Chemical Engineering, Sun Yat-Sen University, Guangzhou, China
E-mail: lutongbu@mail.sysu.edu.cn
Fax: (+86) 20-84112921

Abstract

Isostructural Co^II₂Co^III₄Ln^III₄ (Ln = Y (1), Gd (2) and Dy (3)) coordination clusters formed using the ligand Tris are the first examples of 3d-4f complexes involving this ligand and show weak ferromagnetic coupling between the Co^II ions and slow relaxation (SMM) behaviour for 3.

This article is part of the themed collection: Molecular magnets

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Article information

DOI: https://doi.org/10.1039/C000008F
Article type: Communication
Submitted: 06 Jan 2010
Accepted: 17 Feb 2010
First published: 02 Mar 2010

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Dalton Trans., 2010,39, 4737-4739

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Novel mixed-valent Co^II₂Co^III₄Ln^III₄ aggregates with ligands derived from tris-(hydroxymethyl)aminomethane (Tris)

H. Xiang, Y. Lan, H. Li, L. Jiang, T. Lu, C. E. Anson and A. K. Powell, Dalton Trans., 2010, 39, 4737 DOI: 10.1039/C000008F

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Dalton Transactions