Unexpected adduct formation in the reaction of peroxomonosulfate ion with the tris-(2, 2′-bipyridine)iron(II) and tris-(1, 10-phenanthroline) iron(II) complexes

Gábor Beller, Gabriella Bátki, Gábor Lente, István Fábián

Research output: Contribution to journalArticle

6 Citations (Scopus)

Abstract

Formation of 1: 1 adduct intermediates was detected between peroxomonosulfate ion and tris-(2, 2'-bipyridine)iron(II) or tris-(1, 10-phenanthroline)iron(II) complexes. The formation equilibrium constants were determined (27 3 and 63 18 (mol L-1)-1) on the basis of kinetic measurements. The adduct was also detected by ESI mass spectrometry with the phenanthroline complex. A mechanism for the oxidation of tris-(2, 2'-bipyridine)iron(II) or tris-(1, 10-phenanthroline)iron(II) by peroxomonosulfate ion is proposed.

Original languageEnglish
Pages (from-to)2586-2597
Number of pages12
JournalJournal of Coordination Chemistry
Volume63
Issue number14-16
DOIs
Publication statusPublished - Jul 20 2010

Keywords

  • Fe(II) complexes
  • N-heteroaromatic ligands
  • Oxidation
  • Peroxomonosulfate ion

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Materials Chemistry

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