Crystal structure of (μ-oxo)bis{aquatris(2-pyridylmethyl)amine}iron(III) perchlorate

Bruce R. Whittlesey, Zhen Pang, Robert A. Holwerda

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16 Scopus citations


The complex [{Fe(tmpa)(H2O)}2O](ClO4) 4·3H2O·0.25C2H5OH contains a near-linear, dinuclear cation (FeOFe ∠=176.1(5)°) with average Fe-μ-O2- (1.783(7) Å), Fe-apical N (2.244(11) Å), Fe-pyridyl N (2.125(10) Å) and Fe-O(aqua) (2.082(8) Å) bond lengths that are essentially identical for the two iron centers. Both tmpa apical nitrogen atoms are trans to the oxo bridge, in contrast to the unsymmetric structure of [(OH)(tmpa)FeOFe(tmpa)(H2O)]3+, for which one apical N atom is trans to the μ-O2- group while the other is trans to the hydroxo ligand.

Original languageEnglish
Pages (from-to)124-126
Number of pages3
JournalInorganica Chimica Acta
Issue number1
StatePublished - Jan 15 1999


  • Amine complexes
  • Crystal structures
  • Dinuclear complexes
  • Iron complexes
  • Oxo-bridged complexes


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