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Alkaline earth guests in polyoxopalladate Chemistry: From nanocube to nanostar via an open-shell structure

  • Peng Yang
  • , Yixian Xiang
  • , Zhengguo Lin
  • , Bassem S. Bassil
  • , Jie Cao
  • , Linyuan Fan
  • , Yanxuan Fan
  • , Ming Xing Li
  • , Pablo Jiménez-Lozano
  • , Jorge J. Carbó
  • , Josep M. Poblet
  • , Ulrich Kortz*
  • *Corresponding author for this work
  • Constructor University
  • Ministry of Education in China
  • Shanghai University
  • Universidad Rovira i Virgili

Research output: Contribution to journalArticlepeer-review

Abstract

The three novel, discrete palladium(II)-oxo clusters [CaPd12O8(PhAsO3)8]6- (CaPd12), [SrPd12O6(OH)3-(PhAsO3)6(OAc)3]4- (SrPd12), and [BaPd15O10(PhAsO3)10]8- (BaPd15) encapsulating alkaline earth metal ions were prepared and fully characterized by a multitude of solution and solid-state physicochemical techniques. We have discovered a structure-directing template effect induced by the respective size of the alkaline earth guest ion, which determines the detailed condensation arrangement of the peripheral PdII-oxo shell. The unprecedented SrPd12 with an open-shell type structure is of particular importance and reflects a successful strategy for deliberate design of new structural classes of polyoxo-noble-metalates. Furthermore, the unusual acetate-water ligand exchange phenomenon renders SrPd12 as a promising candidate for noble-metal-based catalysis.

Original languageEnglish
Pages (from-to)11974-11978
Number of pages5
JournalAngewandte Chemie - International Edition
Volume53
Issue number44
DOIs
Publication statusPublished - 12 Sept 2014
Externally publishedYes

Keywords

  • Cluster compounds
  • Palladium
  • Polyoxometalates
  • Template effect
  • X-ray diffraction

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