Abstract
Three new Cu(II)–Ni(II) heterodinuclear complexes: [Cu(PMoxd)Ni(phen)2](ClO4)2 (1), [Cu(PMoxd)Ni(NO2-phen)2](ClO4)2 (2), [Cu(PEoxd)Ni(Me2-bpy)2](ClO4)2 (3), [where Cu(PMoxd)=N,N′-bis(pyridyl-methyl)oxamidatocopper(II), Cu(PExod)=N,N′-bis(2-pyridyl-ethyl)oxamidatocopper(II), phen=1,10-phenanthroline and NO2-phen=5-nitro-1,10-phenanthroline and bpy=2,2′-bipyridine] were prepared and characterized by i.r. and electronic spectra, and by magnetic properties. The magnetic analysis was carried out by means of the theoretical expression of the magnetic susceptibility deduced from the spin Hamiltonian H=−2JS1S2, leading to J=−70.83 cm−1 (1); −56.23 cm−1 (2); −57.30 cm−1 (3), indicating a weak antiferromagnetic spin–exchange interaction between Cu(II) and Ni(II) ions within three complexes.
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Ouyang, Y., Liu, B., Wang, QL. et al. Three new copper(II)–nickel(II) heterodinuclear complexes with the N,N′-bis(2-pyridyl-ethyl)oxamide dianion. Syntheses, spectra, and magnetic properties. Transition Met Chem 30, 460–463 (2005). https://doi.org/10.1007/s11243-005-2660-3
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DOI: https://doi.org/10.1007/s11243-005-2660-3