%0 Journal Article %1 Roy.2008c %A Roy, Sayak %A Sieger, Monika %A Singh, Priti %A Niemeyer, Mark %A Fiedler, Jan %A Duboc, Carole %A Kaim, Wolfgang. %D 2008 %J Inorganica Chimica Acta %K azodicarboxylate bridged complex complex;dicopper complex;spectroelectrochem crystal dicopper diphosphinoferrocene prepn radical structure structure;electrochem %N 6 %P 1699--1704 %R 10.1016/j.ica.2007.02.006 %T A radical-bridged bis(ferrocenylcopper(I)) complex: Structural identity, multifrequency EPR, and spectroelectrochemistry %V 361 %X The paramagnetic blue complex (μ-adcOtBu)Cu(dppf)2(PF6) contains two heterodinuclear 1,1'-bis(diphenylphosphinoferrocene)copper(I) moieties, bridged by the radical anion of di-tert-butylazodicarboxylic ester (adcOtBu). The assignment of oxidn. states is supported by crystal structure detn. and by variable frequency EPR spectroscopy which provides hyperfine (9.5 GHz) and g anisotropy information (285 GHz). Cyclic voltammetry and UV/visible/NIR spectroelectrochem. indicate reversible 1-electron oxidn. of the adcOtBu·- bridge prior to the quasi-reversible two-electron oxidn. of the well sepd. (12.55 \AA) ferrocene termini. One-electron redn. to the adcOtBu2- bridged system occurs with concomitant loss of the long-wavelength metal-to-ligand charge transfer absorption. on SciFinder(R)

@article{Roy.2008c, abstract = {The paramagnetic blue complex {(μ-adcOtBu)[Cu(dppf)]2}(PF6) contains two heterodinuclear 1,1'-bis(diphenylphosphinoferrocene)copper(I) moieties, bridged by the radical anion of di-tert-butylazodicarboxylic ester (adcOtBu). The assignment of oxidn. states is supported by crystal structure detn. and by variable frequency EPR spectroscopy which provides hyperfine (9.5 GHz) and g anisotropy information (285 GHz). Cyclic voltammetry and UV/visible/NIR spectroelectrochem. indicate reversible 1-electron oxidn. of the adcOtBu·- bridge prior to the quasi-reversible two-electron oxidn. of the well sepd. (12.55 {\AA}) ferrocene termini. One-electron redn. to the adcOtBu2- bridged system occurs with concomitant loss of the long-wavelength metal-to-ligand charge transfer absorption. [on SciFinder(R)]}, added-at = {2022-06-15T11:26:56.000+0200}, author = {Roy, Sayak and Sieger, Monika and Singh, Priti and Niemeyer, Mark and Fiedler, Jan and Duboc, Carole and Kaim, Wolfgang.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/25a8724c4a991e4c8a08b0ee3499b32c3/huebleriac}, doi = {10.1016/j.ica.2007.02.006}, interhash = {1e80210d86a40af62c6b538ff9a37945}, intrahash = {5a8724c4a991e4c8a08b0ee3499b32c3}, issn = {0020-1693}, journal = {Inorganica Chimica Acta}, keywords = {azodicarboxylate bridged complex complex;dicopper complex;spectroelectrochem crystal dicopper diphosphinoferrocene prepn radical structure structure;electrochem}, number = 6, pages = {1699--1704}, timestamp = {2022-06-15T09:26:56.000+0200}, title = {A radical-bridged bis(ferrocenylcopper(I)) complex: Structural identity, multifrequency EPR, and spectroelectrochemistry}, volume = 361, year = 2008 }