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      Heterobimetallic platinum–bismuth aggregates derived from [Pt₂(μ-S)₂(PPh₃)₄]

      Henderson, William; Nicholson, Brian K.; Zhang, Hao; Hor, T.S. Andy
      DOI
       10.1016/j.ica.2005.07.022
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      Henderson, W., Nicholson, B.K., Zhang, H. & Hor, T.S.A. (2006). Heterobimetallic platinum–bismuth aggregates derived from [Pt₂(μ-S)₂(PPh₃)₄]. Inorganica Chimica Acta, 359(1), 221-227.
      Permanent Research Commons link: https://hdl.handle.net/10289/164
      Abstract
      The metalloligand [Pt₂(μ-S)₂(PPh₃)₄] reacts with Bi(S₂CNEt₂)₃ or Bi(S₂COEt)₃ in methanol to produce the orange cationic adducts [Pt₂(μ-S)₂(PPh₃)₄Bi(S₂CNEt₂)₂]⁺ and [Pt₂(μ-S)₂(PPh₃)₄Bi(S₂COEt)₂]⁺, respectively, isolated as their hexafluorophosphate salts. An X-ray structure determination on [Pt₂(μ-S)₂(PPh₃)₄Bi(S₂CNEt₂)₂]PF₆ reveals the presence of a six-coordinated bismuth centre with an approximately nido-pentagonal bipyramidal coordination geometry. Fragmentation pathways for both complexes have been probed using electrospray ionisation mass spectrometry; ions [Pt₂(μ-S)₂(PPh₃)₂Bi(S₂CXEtn)₂]⁺ (X = O, n = 1, X = N, n = 2) are formed by selective loss of two PPh₃ ligands, and at higher cone voltages the species [(Ph₃P)PtS₂Bi]⁺ is observed. Ions formed by loss of CS₂ are also observed for the xanthate but not the dithiocarbamate ions.
      Date
      2006-01-01
      Type
      Journal Article
      Publisher
      Elsevier BV
      Rights
      This article is published in the journal Inorganica Chimica Acta, (c) 2005 Elsevier B.V.
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      • Science and Engineering Papers [3143]
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