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Inne
Structure and characterization of physicochemical and magnetic properties of new complex containing monobridged oxygen copper(II) dinuclear cation.
Autorzy
Rok wydania
2017
Czasopismo
Numer woluminu
127
Strony
144-152
DOI
10.1016/j.poly.2017.02.003
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The crystal and molecular structure of the new copper(II) complex with nitrilotriacetate (nta) and 1,10-phenanthroline (phen) ligands of the [Cu(phen)2Cu(nta)(phen)]2[Cu(Hnta)2]·20H2O molecular formula has been determined. The compound comprises the dianionic mononuclear entity, [Cu(Hnta)2]2−, and two monocationic dinuclear units, [Cu(phen)2Cu(nta)(phen)]+, in which the Cu(II) ions are bridged by one oxygen atom of the nta ligand in the rarely found μ1,1–O bridging mode. The complex was characterized by spectroscopic (IR, FIR and EPR) methods and magnetic measurements as well as thermogravimetry (TG). The magnetic measurements revealed an antiferromagnetic coupling between the Cu(II) ions in the dinuclear unit. Based on the experimental data supported by density functional theory (DFT) calculations the correlation between the coordination mode of the Cu(II) ions and magnetic properties of the compound studied has been discussed
Słowa kluczowe
copper, Nitrilotriacetate, structure elucidation, magnetic measurements, density functional calculations
Adres publiczny
http://dx.doi.org/10.1016/j.poly.2017.02.003
Strona internetowa wydawcy
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