Ligating properties of tertiary phosphine/arsine sulphides or selenides, part V. Complexes of ditertiaryphosphine disulphides and diselenides with platinum(II) and platinum(IV) halides
Tóm tắt
Platinum(IV)/platinum(II) chloride and bromide form 1 : 1, 1 : 2 or 3 : 2 (metal: ligand) addition compounds with 1,2-ethylene-, 1,3-propylene-and 1,4-butylene-bisdiphenyl-phosphine sulphide or selenide and 1,6-hexamethylene-bisdiphenylphosphine selenide. The adducts have been characterized by elemental analysis, i.r. and reflectance spectra, and molar conductance data. All adducts have been assigned bridged square planar or octahedral arrangements around platinum(II) or platinum(IV) ions respectively. Both oxidation states of platinum conform to ‘class b’ behaviour with respect to the soft donor sulphur and selenium atoms of the ligands.
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