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      Polymetallic Silyl-Iron and -Ruthenium Compounds

      Masters, Neville Kingston
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      Masters, N. K. (2010). Polymetallic Silyl-Iron and -Ruthenium Compounds (Thesis, Master of Science (MSc)). The University of Waikato, Hamilton, New Zealand. Retrieved from https://hdl.handle.net/10289/4308
      Permanent Research Commons link: https://hdl.handle.net/10289/4308
      Abstract
      The synthesis of iron and ruthenium compounds which contain either end-capped silyl units Fe-Si-Si-Fe or the linear sequence Si-Ru-Ru-Si respectively were explored.

      (I) (II) (III)

      End-capped iron species, e.g. I, were prepared using literature methods and two new related iron containing silyl species II and III were synthesised. These were prepared as model compounds for comparison with polymeric analogues.

      (IV) (V)

      Ruthenium silyl species of the type IV that maintain metal - metal bonding have been prepared. As an extension to this work inorganic polymeric species such as V were synthesised using the same preparation techniques.

      The polymeric compounds were difficult to characterise as they were unable to be chromatographed or crystallised therefore, all data was from crude mixtures. Spectroscopic techniques involved FT - IR, ESMS, LDI-TOF and NMR spectroscopy. ESMS was an ineffective technique for the polymeric compounds however, LDI-TOF mass spectrometry gave broad curves with an average molecular weight ranging from 60,000 to 200,000 for different preparations.

      Flexible siloxanes such as HSiMe2OSiMe2OSiMe2H gave molecular cluster derivatives with bridging ligands rather than polymers.
      Date
      2010
      Type
      Thesis
      Degree Name
      Master of Science (MSc)
      Supervisors
      Nicholson, Brian K.
      Publisher
      The University of Waikato
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      All items in Research Commons are provided for private study and research purposes and are protected by copyright with all rights reserved unless otherwise indicated.
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