Abstract
Two novel Ln-radical chains [Ln(hfac)3NIT-3Py-5Im]n (LnIII=Gd 1, Dy 2; hfac=hexafluoroacetylacetonate; NIT-3Py-5Im=2-(5-(1-imidazole)-3-pyridyl)-4,4,5,5- tetramethylimidazoline-1-oxyl-3-oxide) have been achieved. In two complexes, the functionalized radical ligand NIT-3Py-5Im acts as bridge ligand to link two Ln(III) ions through the NO group and the imidazole ring, leading to rare 1D lanthanide-radical chains. Magnetic studies show that antiferromagnetic interactions dominate in the system owing to the short contacts of NO groups between the chains.
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