Planar tetranuclear lanthanide clusters with the Dy4 analogue displaying slow magnetic relaxation |
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| Authors: | Langley Stuart K Chilton Nicholas F Gass Ian A Moubaraki Boujemaa Murray Keith S |
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| Institution: | School of Chemistry, Monash University, Clayton, Victoria 3800, Australia. |
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| Abstract: | Two isostructural tetranuclear lanthanide clusters of general formula Ln(III)(4)(μ(3)-OH)(2)(o-van)(4)(O(2)CC(CH(3))(3))(4)(NO(3))(2)]·CH(2)Cl(2)·1.5H(2)O (Ln = Gd (1) and Dy (2)) (o-van = 3-methoxysalicylaldehydato anion) are reported. The metallic cores of both complexes display a planar 'butterfly' arrangement. Magnetic studies show that both are weakly coupled, with 2 displaying probable SMM behaviour. |
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