A stable "end-on" iron(III)-hydroperoxo complex in water derived from a multi-iron(II)-substituted polyoxometalate and molecular oxygen

Delina Barats, Gregory Leitus, Ronit Popovitz-Biro, Linda J W Shimon, Ronny Neumann

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

(Figure presented) Head over EELS: Reaction of O2 with a hexa-iron(II)-substituted polyoxometalate in water yields a polyoxometalate with "end-on" hydroperoxo groups, {FeIII-O2H}, at the terminal positions. The hydroperoxo moiety, stabilized by hydrogen bonding with water, is unusual for its long O-O bond and nearly linear Fe-O-O bond angle. Electron energy-loss spectroscopy (EELS) is used to determine the oxidation state of iron.

Original languageEnglish
Pages (from-to)9908-9912
Number of pages5
JournalAngewandte Chemie - International Edition
Volume47
Issue number51
DOIs
Publication statusPublished - Dec 8 2008

Fingerprint

Molecular oxygen
Electron energy loss spectroscopy
Iron
Water
Hydrogen bonds
Oxidation
polyoxometalate I

Keywords

  • Iron
  • O-O activation
  • Oxygen
  • Peroxo ligands
  • Polyoxometalates

ASJC Scopus subject areas

  • Chemistry(all)
  • Catalysis

Cite this

A stable "end-on" iron(III)-hydroperoxo complex in water derived from a multi-iron(II)-substituted polyoxometalate and molecular oxygen. / Barats, Delina; Leitus, Gregory; Popovitz-Biro, Ronit; Shimon, Linda J W; Neumann, Ronny.

In: Angewandte Chemie - International Edition, Vol. 47, No. 51, 08.12.2008, p. 9908-9912.

Research output: Contribution to journalArticle

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AU - Shimon, Linda J W

AU - Neumann, Ronny

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AB - (Figure presented) Head over EELS: Reaction of O2 with a hexa-iron(II)-substituted polyoxometalate in water yields a polyoxometalate with "end-on" hydroperoxo groups, {FeIII-O2H}, at the terminal positions. The hydroperoxo moiety, stabilized by hydrogen bonding with water, is unusual for its long O-O bond and nearly linear Fe-O-O bond angle. Electron energy-loss spectroscopy (EELS) is used to determine the oxidation state of iron.

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KW - Peroxo ligands

KW - Polyoxometalates

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