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)
%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
}