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Abstract A new nitronyl nitroxide-Tb(III) complex, [Tb(hfac)3(NIT-3-Br-4Py)2] (1) (hfac = hexafluoroacetyl -acetonate, NIT-3-Br-4Py = 2-(3′-bromo-4′-pyridyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide), has been synthesized and characterized. The single-crystal X-ray diffraction analysis shows it crystallizes in monoclinic C2/c space group, and… Click to show full abstract
Abstract A new nitronyl nitroxide-Tb(III) complex, [Tb(hfac)3(NIT-3-Br-4Py)2] (1) (hfac = hexafluoroacetyl -acetonate, NIT-3-Br-4Py = 2-(3′-bromo-4′-pyridyl)-4,4,5,5-tetramethylimidazoline-1-oxyl-3-oxide), has been synthesized and characterized. The single-crystal X-ray diffraction analysis shows it crystallizes in monoclinic C2/c space group, and is composed of mononuclear molecules. The central Tb(III) ion is eight-coordinated by three bidentate chelating hfac anions and two monodentate NITR ligands, with a dodecahedron environment. Ac magnetic susceptibility study shows that complex 1 exhibits slow magnetic relaxation, suggesting single-molecule magnet behavior.
Journal Title: Journal of Molecular Structure
Year Published: 2021
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