Synthesis and characterization of a novel iron (III) silsesquioxane compound

Michael T. Hay, Brandan J. Hainaut, Steven J. Geib

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A new iron (III) containing silsesquioxane compound, [Bu4N][((CH3)2CHCH2) 7Si7O12FeCl] (4) was prepared by reacting [Bu4N][FeCl4] (3) with the isobutyl substituted silsesquioxane trisilanol, ((CH3)2CHCH2)7 Si7O12H3, (1) in the presence of three equivalents of triethylamine, Et3N (2). The magnetic susceptibility of 4 was measured by Evans method, and the effective magnetic moment, μeff, is consistent with a high spin Fe (III) center. The composition and molecular structure of 4 was fully determined by IR, elemental analysis, APCI mass spec, and X-ray crystal analyses, and its potential as a precursor to a model of the structure and chemistry of the Fe-ZSM-5 catalyst is discussed.

Original languageEnglish (US)
Pages (from-to)431-434
Number of pages4
JournalInorganic Chemistry Communications
Issue number5
StatePublished - May 1 2003

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry


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