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Data · collection · 2016

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

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The preparation of discrete tetranuclear lanthanide/alkali metal (Ae) assemblies bearing a tribenzoylmethane ligand ( L H) is discussed.

Description

These assemblies have the general formula [Ln(Ae·HOEt)( L ) 4 ] 2 , where Ln 3+ = Gd 3+ , Tb 3+ , Dy 3+ , Ho 3+ 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.

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