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： Four new complexes of the general formula [Ni(SS)(NN)], Where SS is dddt (5,6-dihydro-1,4-dithiin-2,3-dithiolate) or pddt(6,7-dihydro-5H-1,4-dithiepin-2,3-dithiolate) and NN is bpy or phen were prepared. The UV/Vis.Spectra exhibit intense intramolecular ligand-to-ligand charge transfer bands ca.600 nm.Cyclic voltammetry shows a reversible oxidation step assigned to [Ni(SS)(NN)]0=[Ni(SS)(NN)]＋ . When the complex [Ni(dddt)(bpy)] was partially oxidized by I2, a broad ESR signal at g=2.003 appeared.
: Four new complexes of the general formula [Ni (SS) (NN)], Where SS is dddt (5,6-dihydro- 1,4-dithiin-2,3-dithiolate) 5H-1,4-dithiepin-2,3-dithiolate) and NN is bpy or phen were prepared. The UV / Vis Spectra Highly Focused intramolecular ligand-to-ligand charge transfer band ca.600 nm. Cyclic voltammetry shows a reversible Oxidation step assigned to [Ni (SS) (NN)] 0 = [Ni (SS) (NN)] +. When the complex [Ni (dddt) (bpy)] was partially oxidized by I2, a broad ESR signal at g = 2.003 appeared.