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- W2044571567 abstract "Abstract Four binuclear complexes have been synthesized, namely [Cu(oxae)Mn(L)2](ClO4)2, where oxae is the N,N′-bis(2-aminoethyl)oxamido dianion and L denotes 2,2′-bipyridyl (bpy), 4,4′-dimethyl-2,2′-bipyridyl (Me2bpy), 1,10-phenanthroline (phen) and 5-nitro-1,10-phenanthroline (NO2-phen). Based on IR, elemental analyses, conductivity measurements and electronic spectra, the complexes are proposed to have extended oxamido-bridged structures and to consist of the copper(II) ion in a planar environment and the manganese(II) ion in an octahedral environment. The complexes have been characterized by variable-temperature magnetic susceptibility measurements (4.2–300 K) and the susceptibility data were least-squares fitted to the susceptibility equation derived from the spin Hamiltonian including single-ion zero-field interaction for the manganese(II) ion, Ĥ = −2JŜ1Ŝ2 − DŜz1 2, where D is the axial zero-field splitting parameter for the manganese(II) ion. The exchange integral, J, was found to be equal to −29.7 cm−1 for bpy, −31.1 cm−1 for phen and −35.8 cm−1 for NO2-phen. These results are commensurate with antiferromagnetic interactions between adjacent metal ions." @default.
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- W2044571567 date "1994-06-01" @default.
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- W2044571567 title "SYNTHESIS AND MAGNETIC PROPERTIES OF Cu(II)-Mn(II) COMPLEXES WITHN,N′-BIS(2-AMINOETHYL)OXAMIDOCOPPER(II)" @default.
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- W2044571567 doi "https://doi.org/10.1080/00958979408024225" @default.
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