%0 Journal Article %1 Das.2005 %A Das, Neeladri %A Arif, Atta M. %A Stang, Peter J. %A Sieger, Monika %A Sarkar, Biprajit %A Kaim, Wolfgang %A Fiedler, Jan. %D 2005 %J Inorganic Chemistry %K anthracenediyl bridged complex;heterobimetallic crystal electrochem ferrocene macrocycle multinuclear neutral oxidn;phenanthrenediyl platinum platinyl prepn redox spacer spectroelectrochem structure %N 16 %P 5798--5804 %R 10.1021/ic0481834 %T Self-Assembly of Heterobimetallic Neutral Macrocycles Incorporating Ferrocene Spacer Groups: Spectroelectrochemical Analysis of the Double Two-Electron Oxidation of a Molecular Rectangle %V 44 %X Two Pt4-Fe2 mixed-metal neutral assemblies, incorporating four bis(triethylphosphine)platinum(II) centers, two flexible bridging 1,1'-ferrocenedicarboxylates, and two rigid 2,9-phenanthrenediyl (4) or 1,8-anthracenediyl (5) bridges, have been synthesized. X-ray characterization of 4 and 5 reveals the formation of discrete and highly sym. heterobimetallic neutral species possessing a rhomboidal and rectangular shape, resp. The rectangular mols., 5, could be reversibly oxidized in two two-electron steps, sepd. by 0.21 V. Spectroelectrochem. in the UV-vis-NIR region confirms the ferrocene groups as primary oxidn. sites; however, the intermediate 52+ is EPR silent even at 4 K due to enhanced EPR relaxation involving the oxidizable 1,8-anthracenediyl linkers. on SciFinder(R)

@article{Das.2005, abstract = {Two Pt4-Fe2 mixed-metal neutral assemblies, incorporating four bis(triethylphosphine)platinum(II) centers, two flexible bridging 1,1'-ferrocenedicarboxylates, and two rigid 2,9-phenanthrenediyl (4) or 1,8-anthracenediyl (5) bridges, have been synthesized. X-ray characterization of 4 and 5 reveals the formation of discrete and highly sym. heterobimetallic neutral species possessing a rhomboidal and rectangular shape, resp. The rectangular mols., 5, could be reversibly oxidized in two two-electron steps, sepd. by 0.21 V. Spectroelectrochem. in the UV-vis-NIR region confirms the ferrocene groups as primary oxidn. sites; however, the intermediate 52+ is EPR silent even at 4 K due to enhanced EPR relaxation involving the oxidizable 1,8-anthracenediyl linkers. [on SciFinder(R)]}, added-at = {2019-07-15T13:41:23.000+0200}, author = {Das, Neeladri and Arif, Atta M. and Stang, Peter J. and Sieger, Monika and Sarkar, Biprajit and Kaim, Wolfgang and Fiedler, Jan.}, biburl = {https://puma.ub.uni-stuttgart.de/bibtex/2668a950df08312f29e72cd082de69bce/b_schwederski}, doi = {10.1021/ic0481834}, interhash = {447187c7491df0aa855775850da7ab6a}, intrahash = {668a950df08312f29e72cd082de69bce}, issn = {0020-1669}, journal = {Inorganic Chemistry}, keywords = {anthracenediyl bridged complex;heterobimetallic crystal electrochem ferrocene macrocycle multinuclear neutral oxidn;phenanthrenediyl platinum platinyl prepn redox spacer spectroelectrochem structure}, number = 16, pages = {5798--5804}, timestamp = {2019-07-15T11:42:10.000+0200}, title = {Self-Assembly of Heterobimetallic Neutral Macrocycles Incorporating Ferrocene Spacer Groups: Spectroelectrochemical Analysis of the Double Two-Electron Oxidation of a Molecular Rectangle}, volume = 44, year = 2005 }