Synthesis, structure, and magnetic properties of heterometallic trinuclear complexes {MII—LnIII—MII} (MII = Ni, Cu; LnIII = La, Pr, Sm, Eu, Gd)

被引：0
|
作者：
N. P. Burkovskaya
E. V. Orlova
M. A. Kiskin
N. N. Efimov
A. S. Bogomyakov
M. V. Fedin
S. V. Kolotilov
V. V. Minin
G. G. Aleksandrov
A. A. Sidorov
V. I. Ovcharenko
V. M. Novotortsev
I. L. Eremenko
机构：
[1] Russian Academy of Sciences,N. S. Kurnakov Institute of General and Inorganic Chemistry
[2] Siberian Branch of the Russian Academy of Sciences,International Tomography Center Institute
[3] National Academy of Sciences of the Ukraine,L. V. Pisarzhevskii Institute of Physical Chemistry
来源：
Russian Chemical Bulletin | 2011年 / 60卷
关键词：
heterometallic complexes; copper complexes; nickel complexes; lanthanide complexes; X-ray diffraction; magnetic properties;
D O I：
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学科分类号：
摘要：
Trinuclear heterometallic complexes containing the {M2Ln(Piv)6(NO3)} (MII = Ni, Cu; LnIII = Nd, Pr, Sm, Eu, Gd; Piv− is the anion of pivalic acid) and {Cu2Ln(Piv)8)]− (LnIII = Eu, Gd) metal cores were synthesized, their structures and magnetic properties were studied. For the most compounds, it was shown that their magnetic properties can be interpreted taking no interaction of the 3d-metal ions and a lanthanide into account. Ferromagnetic exchange interactions were found to exist between the unpaired electrons of the paramagnetic centers in the exchange clusters of the gadolinium-containing heterometallic complexes {M-Gd-M} (M = Ni or Cu).
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页码：2490 / 2503
页数：13
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