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An eight-coordinate ytterbium complex with a hexagonal bipyramid geometry exhibiting field-induced single-ion magnet behaviour

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Abstract

Two isostructural eight-coordinate complexes Ln(NO3)3(tBu3PO)2 (Ln = Yb, 1-Yb; Tb, 2-Tb) were synthesized and structurally analyzed by single-crystal X-ray crystallography. Both complexes feature a nearly perfect hexagonal bipyramidal LnO8 geometry with ideal D3h symmetry. Magnetic measurements show field-induced slow magnetic relaxation for 1-Yb, thereby presenting the first report of YbIII-based SIMs with a hexagonal bipyramidal coordinate geometry. In contrast, 2-Tb shows no significant out-of-phase (χ′′M) ac signals.

Graphical abstract: An eight-coordinate ytterbium complex with a hexagonal bipyramid geometry exhibiting field-induced single-ion magnet behaviour

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Publication details

The article was received on 13 Feb 2019, accepted on 25 Mar 2019 and first published on 30 Mar 2019


Article type: Paper
DOI: 10.1039/C9DT00663J
Citation: Dalton Trans., 2019, Advance Article

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    An eight-coordinate ytterbium complex with a hexagonal bipyramid geometry exhibiting field-induced single-ion magnet behaviour

    W. Zhao, H. Cui, X. Chen, G. Yi, L. Chen, A. Yuan and C. Luo, Dalton Trans., 2019, Advance Article , DOI: 10.1039/C9DT00663J

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