A series of multinuclear metallocenes composed of a^(tBu)salophen dianion bound to two rare earth metal ions,where each is encased in a bis-pentamethylcyclopentadienyl scaffold,was realized.The isolated molecules(Cp*_...A series of multinuclear metallocenes composed of a^(tBu)salophen dianion bound to two rare earth metal ions,where each is encased in a bis-pentamethylcyclopentadienyl scaffold,was realized.The isolated molecules(Cp*_(2)RE)_(2)(μ-tBusalophen),where RE=Gd(1),Dy(2),and Y(3),constitute the first salophenbridged metallocene complexes for any metal ion.1-3 were characterised by X-ray crystallography,cyclic voltammetry,IR,NMR,and UV-Vis-NIR spectroscopy.Cyclic voltammograms of 1-3 excitingly exhibit quasi-reversable features attributed to the(^(tBu)salophen^(2-)/^(tBu)salophen^(3-•))redox couple.展开更多
基金supported in part through computational resources and services provided by the Institute for Cyber-Enabled Research,as well as the Max T.Rodgers NMR facility at MSUFunding for the single-crystal X-ray diffractometer was provided through the MRI program by the National Science Foundation under Grant No.1919565.
文摘A series of multinuclear metallocenes composed of a^(tBu)salophen dianion bound to two rare earth metal ions,where each is encased in a bis-pentamethylcyclopentadienyl scaffold,was realized.The isolated molecules(Cp*_(2)RE)_(2)(μ-tBusalophen),where RE=Gd(1),Dy(2),and Y(3),constitute the first salophenbridged metallocene complexes for any metal ion.1-3 were characterised by X-ray crystallography,cyclic voltammetry,IR,NMR,and UV-Vis-NIR spectroscopy.Cyclic voltammograms of 1-3 excitingly exhibit quasi-reversable features attributed to the(^(tBu)salophen^(2-)/^(tBu)salophen^(3-•))redox couple.
