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cif-access (metal-organic compounds)
The crystal of this Cu(II) complex is isostructural with those of Ni(II) and Mn(II) complexes having the same ligands [Luneau, et al. (1993). Inorg. Chem. 32, 5616-5622]. The bond distances between copper and nitroxide O atom is 2.319 (2) Å. Magnetic susceptibility measurement suggested that there is a weak ferromagnetic interaction between the copper ion and the coordinating nitroxide radicals (J = +8 cm-1).