Publikation:

Fulvalenediyl-bridged heterobimetallic complexes consisting of sandwich and half-sandwich compounds with early–late transition metals

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Datum

2009

Autor:innen

Jakob, Alexander
Ecorchard, Petra
Rüffer, Tobias
Lang, Heinrich

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URI (zitierfähiger Link)
http://nbn-resolving.de/urn:nbn:de:bsz:352-137912
DOI (zitierfähiger Link)
https://doi.org/10.1016/j.jorganchem.2009.07.021
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Open Access-Veröffentlichung
Open Access Green

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Chemie: Publikationen
Core Facility der Universität Konstanz

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Titel in einer weiteren Sprache

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Published

Erschienen in

Journal of Organometallic Chemistry. 2009, 694(22), pp. 3542-3547. ISSN 0022-328X. Available under: doi: 10.1016/j.jorganchem.2009.07.021

Zusammenfassung

A straightforward synthesis methodology for the preparation of heterobimetallic [(η5-C5H5)(η5-C5H4-C5Me4)M] (3a, M = Fe; 3b, M = Ru) and [(η5-C5H5)((μ-η5:η5-C5H4-C5Me4)TiCl3)M] (4a, M = Fe; 4b, M = Ru) in which early and late transition metals are connected by a fulvalenediyl bridge is reported.

The structures of molecules 3b and 4a in the solid state are discussed. Most noteworthy in 4a is the exo arrangement of the iron and titanium atoms coordinated by the fulvalenediyl unit which itself is twisted with a dihedral angle between the joined cyclopentadienyl rings of 19.33(9)°. Electrochemical, UV/Vis/NIR spectroscopic and spectroelectrochemical experiments on 4a and Cp*TiCl3, for comparison, provide evidence for some transfer of electronic information between the conjoined ferrocene and half-sandwich titanocene trichloride subunits of 4a. Evidence comes from systematic potential shifts and the presence of a fairly intense Fe → Ti charge-transfer absorption band that vanishes upon oxidation and reduction of 4a.

Zusammenfassung in einer weiteren Sprache

Fachgebiet (DDC)
540 Chemie

Schlagwörter

Ferrocene, Ruthenocene, Titanium, Heterobimetallic, Spectroelectrochemistry

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ISO 690JAKOB, Alexander, Petra ECORCHARD, Tobias RÜFFER, Michael LINSEIS, Rainer F. WINTER, Heinrich LANG, 2009. Fulvalenediyl-bridged heterobimetallic complexes consisting of sandwich and half-sandwich compounds with early–late transition metals. In: Journal of Organometallic Chemistry. 2009, 694(22), pp. 3542-3547. ISSN 0022-328X. Available under: doi: 10.1016/j.jorganchem.2009.07.021
BibTex
@article{Jakob2009Fulva-13791,
  year={2009},
  doi={10.1016/j.jorganchem.2009.07.021},
  title={Fulvalenediyl-bridged heterobimetallic complexes consisting of sandwich and half-sandwich compounds with early–late transition metals},
  number={22},
  volume={694},
  issn={0022-328X},
  journal={Journal of Organometallic Chemistry},
  pages={3542--3547},
  author={Jakob, Alexander and Ecorchard, Petra and Rüffer, Tobias and Linseis, Michael and Winter, Rainer F. and Lang, Heinrich},
  note={Supplemental material: http://www.ccdc.cam.ac.uk/data_request/cif}
}
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    <dcterms:abstract xml:lang="deu">A straightforward synthesis methodology for the preparation of heterobimetallic [(η5-C5H5)(η5-C5H4-C5Me4)M] (3a, M = Fe; 3b, M = Ru) and [(η5-C5H5)((μ-η5:η5-C5H4-C5Me4)TiCl3)M] (4a, M = Fe; 4b, M = Ru) in which early and late transition metals are connected by a fulvalenediyl bridge is reported.&lt;br /&gt;&lt;br /&gt;The structures of molecules 3b and 4a in the solid state are discussed. Most noteworthy in 4a is the exo arrangement of the iron and titanium atoms coordinated by the fulvalenediyl unit which itself is twisted with a dihedral angle between the joined cyclopentadienyl rings of 19.33(9)°. Electrochemical, UV/Vis/NIR spectroscopic and spectroelectrochemical experiments on 4a and Cp*TiCl3, for comparison, provide evidence for some transfer of electronic information between the conjoined ferrocene and half-sandwich titanocene trichloride subunits of 4a. Evidence comes from systematic potential shifts and the presence of a fairly intense Fe → Ti charge-transfer absorption band that vanishes upon oxidation and reduction of 4a.</dcterms:abstract>
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Supplemental material: http://www.ccdc.cam.ac.uk/data_request/cif
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