Molecular and electronic structure of a trinuclear oxo-centred Iron(III) complex with trigonal bipyramidal metal sites

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Abstract

A μ3-oxotriiron(III) complex with isovalent ferric sites was synthesized in the reaction of iron(II) triflate and the new ligand, 1,4-di-(2′-N-methylbenzimidazolyl)aminophthalazine (H2L). The [Fe3OL3]+ cluster is formed in a one-pot, self-assembly reaction when the inert reaction mixture is exposed to dioxygen. The complex exhibits a triple-helical ligand arrangement and unprecedented homochiral trigonal bipyramidal iron-ligand framework. X-ray structural analysis shows typical isosceles distortion of the Fe3 triangle with Fe-Fe distances of 3.330 and 3.305 Å. Spectroscopic, magnetic and electrochemical properties of the [Fe3OL3]+ compound is discussed in the article.

Original languageEnglish
Pages (from-to)1069-1073
Number of pages5
JournalInorganic Chemistry Communications
Volume13
Issue number9
DOIs
Publication statusPublished - Sep 1 2010

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Keywords

  • Iron
  • Oxo-bridged cluster
  • Phthalazine ligand
  • Self-assembly

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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