Organolanthanoids: XXII.1 The synthesis and X-ray structure of dimeric [YbCp2F(THF)]2 (Cp=cyclopentadienyl; THF=tetrahydrofuran)

Glen B. Deacon, Stuart C. Harris, Gerd Meyer, Dirk Stellfeldt, Dallas L. Wilkinson, Gerd Zelesny

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Abstract

Reaction of YbCp2(DME) (Cp=cyclopentadienyl; DME=1,2-dimethoxyethane) with perfluorodecalin or perfluoro(methylcyclohexane) in THF yields [YbCp2F(THF)]2. These are the first examples of C-F activation of saturated perfluorocarbons by a lanthanoid organometallic. The X-ray crystal structure of [YbCp2F(THF)]2 (monoclinic, P21/c, a=7.9901(12), b=20.411(4), c=8.5957(12) Å; β=104.70(2)°, Z=2, R1=0.0495, for 1107 observed data) shows the complex to be dimeric with bridging fluorides and formal nine coordination for ytterbium. YbCp2F has also been obtained by oxidation of YbCp2(DME) with AgF or HgF2.

Original languageEnglish
Pages (from-to)165-170
Number of pages6
JournalJournal of Organometallic Chemistry
Volume552
Issue number1-2
DOIs
Publication statusPublished - 10 Feb 1998

Keywords

  • C-F activation
  • Cyclopentadienyl
  • Fluoride
  • Oxidation
  • X-ray structure
  • Ytterbium

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