Syntheses and characterization of Cp2Ce[η3-N(QPPh2)2] (Q = S, Se) and Cp2Ce[η3-N(SPiPr2)(SePPh2)]

Perumal Sekar, James A. Ibers*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Scopus citations


The compounds Cp2Ce[η3-N(QPPh2)2] (Q = S (1), Se (2)) and Cp2Ce[η3-N(SPiPr2)(SePPh2)] (3) have been synthesized from the protonolysis reactions between Cp3Ce and HN(QPPh2)2 or HN(SPiPr2)(SePPh2) in THF. The structures of these compounds have been determined by X-ray crystallographic methods. The three compounds have similar structures in which the ligands are coordinated to Cp2Ce moiety in an η3 fashion through the two chalcogen atoms and an N atom. Whereas the 77Se NMR resonances are normal the 31P NMR resonances are shifted to much lower frequencies than in similar rare-earth compounds.

Original languageEnglish (US)
Pages (from-to)2751-2755
Number of pages5
JournalInorganica Chimica Acta
Issue number9
StatePublished - Jun 1 2006


  • Crystal structures
  • Imidodiphosphinodichalcogenido ligands
  • Rare-earth metal complexes

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry


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