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    • Keywords


      Monothiocarbamates; hard and soft acids; infrared spectra of monothiocarbamates; organotin monothiocarbamates

    • Abstract


      The nature of coordination in metal monothiocarbamates is shown to depend on the hardness or softness of the metal ton. Thus, the monothiocarbamate ion acts as a monodentate ligand with metal-sulphur bending when the metal ion is a soft acid while it acts as a bidentate ligand when the metal ion is a hard acid; it can exhibit either behaviour when the metal ion is a borderline acid. In dialkyltin and dialkylmonocholorotin complexes, the monothiocarbamate ion acts as a bidentate ligand with strong Sn-S bonding while in trialkyl-or triaryl-tin complexes it acts essentially as a monodentate ligand. Thus, R3Sn(I) seems to be a soft or borderline acid while R2Sn(II) is a hard acid.

    • Author Affiliations


      A B Crosby1 R J Magee1 M J O’Connor1 K N Tantry1 2 C N R Rao1 2

      1. Department of Inorganic and Analytical Chemistry, La Trobe University, Bundoora, Victoria - 3083, Australia
      2. Solid State and Structural Chemistry Unit, Indian Institute of Science, Bangalore - 560012
    • Dates

  • Journal of Chemical Sciences | News

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