[Yb(THF)3(C5 H4PPh2)2W(CO)4]·0.5THF and 1[Yb(THF) (C5H4PPh2)2 (μ-OC)W(CO)3]: Two new heterobimetallic complexes containing YbII and W0

Klaus Müller-Buschbaum, Glen B. Deacon, Craig M. Forsyth

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The reaction of bis(diphenylphosphanylcyclopentadienyl)-ytterbium(ii) with tungsten hexacarbonyl in tetrahydrofuran yields [Yb(THF)3(C5H4 PPh2) 2W(CO)4]·0.5THF (1), whilst [Yb(THF)(C5H4PPh2)2 (μ-OC)W(CO)3} (2) is obtained from toluene. Complex 1 contains nine-coordinate bis(η5-diphenylphosphanylcyclopentadienyl)tris (tetrahydrofuran)-ytterbium(II) units. Complex 2 has eight-coordinate ytterbium(II) with one carbonyl group showing an iso-carbonyl linkage to ytterbium (W∼C≡O-Yb), thereby forming a structure of infinite chains, The Yb(η5-C5H4PPh2)2 units in both 1 and 2 bind to tungsten through the phosphorus atoms giving an octahedral cis-W(CO)4P2 arrangements.

Original languageEnglish
Pages (from-to)3172-3177
Number of pages6
JournalEuropean Journal of Inorganic Chemistry
Issue number12
Publication statusPublished - 1 Dec 2002


  • Carbonyl ligands
  • Heterometallic complexes
  • Tungsten
  • Ytterbium

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