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Controllable Syntheses and Magnetic Properties of Novel Homoleptic Triple-decker Lanthanide Complexes

Abstract

Four novel homoleptic triple-decker lanthanide complexes, [Ln2(L)(Cl-Salphen)2]•0.5ClCH2CH2Cl (Ln3+ = Gd3+ (1), Ho3+ (2), Tb3+ (3), and Dy3+ (4)), have been designed and synthesized based on a Schiff base ligand N, N’-bis(5-chlorosalicylidene)-o-phenylenediamine (Cl-salphenH2) and the building blocks [(acac)4Ln2(L)], derived from a closed-macrocyclic ligand (H2L) obtained by the [2+2] template condensation of 2,6-diformyl-4-methylphenol and 1,3-diaminopropane in the presence of lanthanide acetylacetonates. Single-crystal X-ray analyses show central Ln3+ ions adopt distorted square antiprism conformations with D4d symmetry. Theoretical analysis and magnetic measurements reveal the Dy complex 4 behaves as a typical SMM with characteristics of slow magnetic relaxation behavior and intermetallic ferromagnetic interaction.

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Publication details

The article was received on 18 Jun 2019, accepted on 08 Aug 2019 and first published on 09 Aug 2019


Article type: Paper
DOI: 10.1039/C9DT02565K
Dalton Trans., 2019, Accepted Manuscript

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    Controllable Syntheses and Magnetic Properties of Novel Homoleptic Triple-decker Lanthanide Complexes

    F. Gao, L. wang, G. Zhu, Y. Liu, H. Yang, X. Li and K. Yang, Dalton Trans., 2019, Accepted Manuscript , DOI: 10.1039/C9DT02565K

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