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Inne
Coordination modes of histidine- or methioninehydroxamic acids in copper(II) mixed-ligand complexes with ethylenediamine in aqueous solution.
Autorzy
Rok wydania
2007
Czasopismo
Numer woluminu
26
Strony
4223-4227
DOI
10.1016/j.poly.2007.05.024
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
The stability constants and coordination modes of the mixed-ligand complexes formed by copper(II) ion and ethylenediamine as a primary ligand and methioninehydroxamic acid (Metha) or histidinehydroxamic acid (Hisha) as a secondary ligand L were determined by potentiometric titration, UV–Vis and EPR spectroscopy. The obtained results suggest the formation of mixed-ligand species in basic solution with 4N coordination – both amine and hydroxamic nitrogens of Metha or Hisha (NH2, Nha) and two amine nitrogens of en (2 × NH2) in the equatorial plane.
Słowa kluczowe
Copper(II) complexes, Mixed-ligand complexes, Aminohydroxamic acids, EPR, Vis spectroscopy, Potentiometry, Equilibria, Stability constants
Adres publiczny
https://doi.org/10.1016/j.poly.2007.05.024
Strona internetowa wydawcy
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