Interactions of trivalent lanthanide cations with a new hexadentate di-Schiff base: new lanthanide(III) complexes from (NE,N ' E)-2,2 '-(ethane-1,2-diylbis(oxy))bis(N-(pyridin-2-ylmethylene)ethanamine)

Mantha Tsiouri, Konstantina Skorda, Christos Papadimitriou, Yang Li, J. Derek Woollins, John C. Plakatouras

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

The novel lanthanide(III) complexes [Ln(NO3)(2)L](NO3)center dot 3MeOH (Ln = La 1, Pr 2) and [Ln(NO3)(3)L](NO3)center dot 2MeOH (Ln = Gd 3, Yb 4), where L = (NE,N'E)-2,2'-(ethane-1,2-diylbis(oxy))bis(N-(pyridin-2-ylmethylene)ethanamine), have been obtained by direct reaction of the Schiff base ligand and the corresponding hydrated lanthanide(III) nitrates in methanol. All complexes were characterized spectroscopically and thermogravimetrically. Complex 4 was also characterized with crystallographic studies: orthorhombic P2(1)2(1)2(1), a = 10.6683(14), b = 13.4752(15), c = 19.3320(26) angstrom. In the molecular structure of 4, Yb(III) is surrounded by all donor atoms of the Schiff base (four nitrogen and two oxygen atoms) and four oxygen atoms belonging to two bidentate chelating nitrato ligands.

Original languageEnglish
Article number613140
Number of pages7
JournalBioinorganic Chemistry and Applications
Volume2010
DOIs
Publication statusPublished - 2010

Keywords

  • Crystal-structure
  • Macrocyclic complex
  • Metal-complexes
  • Ligands
  • Europium(III)
  • Neodymium(III)
  • Yttrium(III)
  • Luminescence
  • Copper(III)
  • Nickel(II)

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