Heterobimetallic Mn/Co hybrid complexes composed of proximate organometallic and classical coordination sites

Kurzanzeige
dc.contributor.authorZhang, Huaxingdeu
dc.contributor.authorDechert, Sebastiandeu
dc.contributor.authorMaurer, Jörgdeu
dc.contributor.authorLinseis, Michael
dc.contributor.authorWinter, Rainer F.
dc.contributor.authorMeyer, Francdeu
dc.date.accessioned2011-06-21T15:04:42Zdeu
dc.date.available2011-06-21T15:04:42Zdeu
dc.date.issued2007
dc.description.abstractA series of highly unsymmetric heterobinuclear Mn/Co complexes is reported, in which an organometallic CpMn(CO)2 fragment and a classical Werner-type cobalt(II) subunit are arranged in close proximity by means of a bridging pyrazolate. Two ligand scaffolds are employed that differ by the chelate size of the tripodal tetradentate {N4} binding site for cobalt. Molecular structures of three complexes with either nitrate or acetate coligands have been characterized by X-ray crystallography. IR and UV–Vis-spectroelectrochemistry reveals that oxidation of the heterobimetallic systems is highly localized at the organometallic manganese site, while electrochemical reduction occurs at cobalt. Structural and spectroscopic features as well as trends for the redox potentials of the MnI/MnII couple suggest that changes at the cobalt(II) Werner-type subunit have only minor effects on the properties of the organometallic site.eng
dc.description.versionpublished
dc.identifier.citationFirst publ. in: Journal of Organometallic Chemistry 692 (2007), 14, pp. 2956–2964deu
dc.identifier.doi10.1016/j.jorganchem.2007.03.012deu
dc.identifier.ppn346335043deu
dc.identifier.urihttp://kops.uni-konstanz.de/handle/123456789/13801
dc.language.isoengdeu
dc.legacy.dateIssued2011-06-21deu
dc.rightsterms-of-usedeu
dc.rights.urihttps://rightsstatements.org/page/InC/1.0/deu
dc.subjectBridging ligandsdeu
dc.subjectN-functionalized cyclopentadienyl ligandsdeu
dc.subjectManganesedeu
dc.subjectCobaltdeu
dc.subjectBimetallic complexesdeu
dc.subject.ddc540deu
dc.titleHeterobimetallic Mn/Co hybrid complexes composed of proximate organometallic and classical coordination siteseng
dc.typeJOURNAL_ARTICLEdeu
dspace.entity.typePublication
kops.citation.bibtex
@article{Zhang2007Heter-13801,
  year={2007},
  doi={10.1016/j.jorganchem.2007.03.012},
  title={Heterobimetallic Mn/Co hybrid complexes composed of proximate organometallic and classical coordination sites},
  number={14},
  volume={692},
  issn={0022-328X},
  journal={Journal of Organometallic Chemistry},
  pages={2956--2964},
  author={Zhang, Huaxing and Dechert, Sebastian and Maurer, Jörg and Linseis, Michael and Winter, Rainer F. and Meyer, Franc}
}
kops.citation.iso690ZHANG, Huaxing, Sebastian DECHERT, Jörg MAURER, Michael LINSEIS, Rainer F. WINTER, Franc MEYER, 2007. Heterobimetallic Mn/Co hybrid complexes composed of proximate organometallic and classical coordination sites. In: Journal of Organometallic Chemistry. 2007, 692(14), pp. 2956-2964. ISSN 0022-328X. Available under: doi: 10.1016/j.jorganchem.2007.03.012deu
kops.citation.iso690ZHANG, Huaxing, Sebastian DECHERT, Jörg MAURER, Michael LINSEIS, Rainer F. WINTER, Franc MEYER, 2007. Heterobimetallic Mn/Co hybrid complexes composed of proximate organometallic and classical coordination sites. In: Journal of Organometallic Chemistry. 2007, 692(14), pp. 2956-2964. ISSN 0022-328X. Available under: doi: 10.1016/j.jorganchem.2007.03.012eng
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    <dcterms:abstract xml:lang="eng">A series of highly unsymmetric heterobinuclear Mn/Co complexes is reported, in which an organometallic CpMn(CO)2 fragment and a classical Werner-type cobalt(II) subunit are arranged in close proximity by means of a bridging pyrazolate. Two ligand scaffolds are employed that differ by the chelate size of the tripodal tetradentate {N4} binding site for cobalt. Molecular structures of three complexes with either nitrate or acetate coligands have been characterized by X-ray crystallography. IR and UV–Vis-spectroelectrochemistry reveals that oxidation of the heterobimetallic systems is highly localized at the organometallic manganese site, while electrochemical reduction occurs at cobalt. Structural and spectroscopic features as well as trends for the redox potentials of the MnI/MnII couple suggest that changes at the cobalt(II) Werner-type subunit have only minor effects on the properties of the organometallic site.</dcterms:abstract>
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kops.sourcefield.plainJournal of Organometallic Chemistry. 2007, 692(14), pp. 2956-2964. ISSN 0022-328X. Available under: doi: 10.1016/j.jorganchem.2007.03.012eng
kops.submitter.emailkarin.hoch@uni-konstanz.dedeu
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