The synthesis and characterization of iron cyanide building blocks: [K]2[CpFe(CN)3] and its pentamethylcyclopentadienyl (Cp*) analog

Donald J. Darensbourg, Way Zen Lee, Andrea L. Phelps

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The synthesis of [K]2[CpFe(CN)3] (1) and its pentamethylcyclopentadienyl analog (2) has been described via the photolysis of the corresponding [K][CpFe(CO)(CN)2] salts in methanol in the presence of KCN. The structure of complex 1 has been characterized by means of X-ray crystallography, where the potassium ions are interacting with the N atoms of the cyanide ligands. As expected, the average νCN stretching frequency in the CpFe(CN)3- anion is 16 cm-1 higher than that in the more electron-donating pentamethylcyclopentadienyl derivative.

Original languageEnglish
Pages (from-to)4095-4098
Number of pages4
JournalInorganica Chimica Acta
Issue number13
Publication statusPublished - 2005 Sep 1



  • Cyclopentadienyliron complexes
  • Infrared spectroscopy
  • Iron cyanides
  • Photolysis

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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