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Investigation of the structure and magnetism in lanthanide ß-triketonate tetranuclear assemblies

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Authors
Reid, Brodie
Woodward, R.
Fuller, Rebecca
Sobolev, A.
Skelton, B.
Ogden, Mark
Massi, Massimiliano
Date
2016
Type
Journal Article

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Reid, B. and Woodward, R. and Fuller, R. and Sobolev, A. and Skelton, B. and Ogden, M. and Massi, M. 2016. Investigation of the structure and magnetism in lanthanide ß-triketonate tetranuclear assemblies. Journal of Coordination Chemistry. 69 (11-13): pp. 1852-1863.
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Journal of Coordination Chemistry
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Nanochemistry Research Institute
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Abstract

The preparation of discrete tetranuclear lanthanide/alkali metal (Ae) assemblies bearing a tribenzoylmethane ligand (LH) is discussed. These assemblies have the general formula [Ln(Ae·HOEt)(L)4]2, where Ln3+ = Gd3+, Tb3+, Dy3+, Ho3+ and Ae+ = Na+, K+, Rb+. The coordination geometries of the lanthanide species were analyzed and compared, revealing a trend between an eight-coordinate square antiprism and triangular dodecahedron dependent on the nature of lanthanide, alkali metal, and lattice solvent. The potassium-containing analogs were also analyzed for their magnetic susceptibility.