1,1-Cyclohexanediacetate as New Bridging Ligand for Assembling of Homo- and Heterometallic Molecular Complexes with Cu3 II, Cu2 IILn2 III (Ln = Sm or Gd) and Ni2 IIGd2 III Cores: Synthesis, Structure and Magnetic Propertiesстатья
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Дата последнего поиска статьи во внешних источниках: 26 августа 2016 г.
Авторы:
Gogoleva N. ,
Zorina-Tikhonova E. ,
Aleksandrov G.,
Lermontov A.,
Efimov N. ,
Bogomyakov A. ,
Ugolkova E. ,
Kolotilov S.,
Sidorov A. ,
Minin V. ,
Novotortsev V. ,
Eremenko I.
Журнал:
Journal of Cluster Science
Том:
26
Номер:
1
Год издания:
2015
Издательство:
Kluwer Academic/Plenum Publishers
Местоположение издательства:
United States
Первая страница:
137
Последняя страница:
155
DOI:
10.1007/s10876-014-0740-2
Аннотация:
Interaction of [Cu2(Piv)4(HPiv)2] (Piv− = pivalate) with tetrabutylammonium salt of 1,1-cyclohexanediacetate (Chda2−) and 2,2-bipyridine (2,2′-bpy) in acetonitrile led to formation of the trinuclear homometallic complex [Cu3(2,2′-bpy)2(Chda)2(Piv)2]·2MeCN·0.4H2O (1·2MeCN·0.4H2O). In similar conditions but in presence of [Ln2(Piv)6(HPiv)7] tetranuclear heterometallic complexes [Ln2 IIICu2 II(2,2′-bpy)2(Chda)2(Piv)6] (Ln = SmIII, 2·2MeCN, or GdIII, 3·2MeCN·5H2O) and [Gd2 IIINi2 II(2,2′-bpy)2(Chda)2(Piv)6] (4) were synthesized. Carboxylic groups in Piv−and Chda2−act as bridges between the metal ions in all complexes. Temperature dependencies of magnetic susceptibilities and room-temperature solid-state ESR spectra of compounds 2·2MeCN, 3·2MeCN·5H2O, 4 were studied and analyzed. © 2014, Springer Science+Business Media New York.
Добавил в систему:
Новоторцев Владимир Михайлович