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Structural and spectroscopic investigations of the EuIII - CDTA system.

Autorzy

Rafał Janicki

Anna Mondry

Przemysław Starynowicz

Rok wydania

2007

Czasopismo

Polyhedron

Numer woluminu

26

Strony

845-850

DOI

10.1016/j.poly.2006.09.031

Kolekcja

Naukowa

Język

Angielski

Typ publikacji

Artykuł

Streszczenie

Two crystal structures of EuIII complexes with CDTA (trans-1,2-diaminocyclohexane-N,N,N′,N′-tetraacetate), [C(NH2)3]3[Eu2(CDTA)2(H2O)2]ClO4 · 7H2O (I) and [C(NH2)3][Eu(CDTA)(H2O)] · 2.375H2O (II), are presented. Both structures are polymeric and the central metal ions are eight-coordinate. The first coordination sphere of each EuIII cation contains five carboxylate oxygen atoms, two nitrogen ones and a water molecule. For I, as well as for water solutions of the EuIII–CDTA complex at various pH values, the spectroscopic (UV–Vis) properties were investigated.

Słowa kluczowe

Europium(III), CDTA, Structure, UV–Vis spectroscopy

Adres publiczny

https://doi.org/10.1016/j.poly.2006.09.031

Strona internetowa wydawcy

http://www.elsevier.com

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