Based on the preparation of multi-sulfur 1,2-dithiolene complexes (Cat) 2[Ni(C 5S 9) 2](Cat=(CH 3) 4N +?(C 2H 5) 4N +?(C 4H 9) 4N +)?(CH 3) 3(C 6H 5)N +),the neutral complex [Ni(C 5S 9) 2]was prepared by chemical oxid...Based on the preparation of multi-sulfur 1,2-dithiolene complexes (Cat) 2[Ni(C 5S 9) 2](Cat=(CH 3) 4N +?(C 2H 5) 4N +?(C 4H 9) 4N +)?(CH 3) 3(C 6H 5)N +),the neutral complex [Ni(C 5S 9) 2]was prepared by chemical oxidation method with I 2 as oxidant.IR,UV-vis and cyclic voltammograms of he complexes were studied.The data of ESR,magnetic susceptibility at different temperature and conductivity at room temperature demonstrate that there is great difference between dianion complexes and neutral complex in electrical and magnetic properties.展开更多
： 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...： 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.展开更多
文摘Based on the preparation of multi-sulfur 1,2-dithiolene complexes (Cat) 2[Ni(C 5S 9) 2](Cat=(CH 3) 4N +?(C 2H 5) 4N +?(C 4H 9) 4N +)?(CH 3) 3(C 6H 5)N +),the neutral complex [Ni(C 5S 9) 2]was prepared by chemical oxidation method with I 2 as oxidant.IR,UV-vis and cyclic voltammograms of he complexes were studied.The data of ESR,magnetic susceptibility at different temperature and conductivity at room temperature demonstrate that there is great difference between dianion complexes and neutral complex in electrical and magnetic properties.
文摘： 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.
