Isolation and Characterization of Fe2(µ-Te2)(CO)6 and Its Conversion to Fe33-Te)2(CO)x (x = 9, 10)

David A. Lesch, Thomas B. Rauchfuss

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Using a modified version of the original synthesis for Fe33-Te)2(CO)9 (1), we have isolated Fe2(μ-Te2)(CO)6 (2), a molecular complex of Te2. Compound 2 is a thermally labile compound which was isolated by gel permeation chromatography and characterized by IR, mass spectrometry, and 125Te NMR. In the presence of base or Me3NO, 2 reacts with Fe(CO)5 to afford 1. In the base-promoted reaction Fe33-Te)2(CO)10 (3) was also isolated and shown to be an intermediate in the Hieber synthesis. The unusual reactivity of these tellurium compounds is most likely due to the strain inherent in small closed clusters that contain large nonmetal atoms.

Original languageEnglish (US)
Pages (from-to)3583-3585
Number of pages3
JournalInorganic Chemistry
Issue number11
StatePublished - Nov 1981

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry

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