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Room-Temperature Synthesis of Transition Metal Clusters and Main Group Polycations from Ionic Liquids

Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden
Publication Date
  • Anorganische Synthese
  • Ionische Flüssigkeiten
  • Polykationen
  • Übergangsmetallcluster
  • Umweltschonende Synthese
  • Green Chemistry
  • Inorganic Synthesis
  • Ionic Liquids
  • Polycations
  • Transition Metal Clusters
  • Ddc:546
  • Rvk:Vh 5507
  • Anorganische Synthese
  • Ionische Flüssigkeit
  • Metallcluster
  • Polykation
  • Chemistry
  • Physics


Main group polycations and transition metal clusters had traditionally been synthesized via high-temperature routes by performing reactions in melts or by CTR, at room-temperature or lower temperature by using so-called superacid solvents, and at room-temperature in benzene–GaX3 media. Considering the major problems associated with higher temperature routes (e.g. long annealing time, risk of product decomposition, and low yield) and taking into account the toxicity of benzene and liquid SO2 in room-temperature or lower temperature synthesis, a soft and sustainable chemical approach has been developed, employing a Lewis-acidic IL [bmim]Cl/AlCl3. This new alternative reaction medium has proven to be an excellent solvent system for the single–step synthesis of main group polycations and transition metal clusters. X-ray diffraction and Raman spectroscopy have been used for the structural characterization of the isolated compounds. Physical properties and quantum chemical calculations of some of the compounds have also been carried out.

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