Synthesis, characterization and crystal structures of new ruthenium carbonyl clusters derived from (9-anthracenyl)diphenylphosphine

Wai Yeung WONG*, Fai Lung Ting, Yanhe Guo, Zhenyang Lin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

Thermal reaction of [Ru2(CO)6(μ-PFu 2)(μ-η12-Fu)] (Fu=2-furyl) with (9-anthracenyl)diphenylphosphine (AnPPh2) produces a novel diruthenium complex [Ru2(CO)5(μ-PFu2)(μ- η112-C14H 8PPh2)] (1) in good yield whereas the corresponding reaction between [(μ-H)4Ru4(CO)12] and AnPPh2 gives [HRu(CO)3(PPh2C14H 8)][(μ-H)4Ru4(CO)11(AnPPh 2)] (2). Both compounds 1 and 2 were fully characterized by spectroscopic methods and their X-ray crystal structures were determined. For 1, initial coordination of the PPh2 functionality at the Ru atom is accompanied by cyclometalation of the anthracenyl ring to form a Ru-C σ bond together with concomitant formation of a π bond to the adjacent Ru center and loss of the furyl ligand. The formation of 2 involves the cleavage of two Ru-Ru bonds, and the making of a Ru-P bond, followed by orthometalation of the anthracenyl ring. The optical absorption and emission spectra of 1 were recorded and the results were correlated to the DFT calculations.

Original languageEnglish
Pages (from-to)185-200
Number of pages16
JournalJournal of Cluster Science
Volume16
Issue number2
DOIs
Publication statusPublished - Jun 2005

Scopus Subject Areas

  • Biochemistry
  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

User-Defined Keywords

  • Anthracene
  • Carbonyl
  • Crystal structures
  • Phosphines
  • Ruthenium

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