@article{Schwemlein1983ansam-24003,
  year={1983},
  doi={10.1016/S0022-328X(00)99205-2},
  title={ansa-metallocene derivatives : VI. Synthesis and molecular structure of a stable tetramethylethylene-bridged chromocene carbonyl complex, (CH<sub>3</sub>)<sub>4</sub>C<sub>2</sub>(C<sub>5</sub>H<sub>4</sub>)<sub>2</sub>Cr(CO)},
  number={2},
  volume={256},
  issn={0022-328X},
  journal={Journal of Organometallic Chemistry},
  pages={285--289},
  author={Schwemlein, Heinz and Zsolnai, Laszlo and Huttner, Gottfried and Brintzinger, Hans-Herbert}
}

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    <dcterms:abstract xml:lang="eng">The tetramethylethylene-bridged chromocene carbonyl complex (CH&lt;sub&gt;3&lt;/sub&gt;)&lt;sub&gt;4&lt;/sub&gt;-C&lt;sub&gt;2&lt;/sub&gt;(C&lt;sub&gt;5&lt;/sub&gt;H&lt;sub&gt;4&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;Cr(CO) is obtained by reaction of the Grignard compound (CH&lt;sub&gt;3&lt;/sub&gt;)&lt;sub&gt;4&lt;/sub&gt;-C&lt;sub&gt;2&lt;/sub&gt;(C&lt;sub&gt;5&lt;/sub&gt;H&lt;sub&gt;4&lt;/sub&gt;MgCl)&lt;sub&gt;2&lt;/sub&gt;·4THF with CrCl&lt;sub&gt;2&lt;/sub&gt;·THF Under CO. The diamagnetic carbonyl complex is the first thermally stable chromocene ligand adduct; its structure is that of a normal wedge-shaped metallocene derivative whose ring ligands span a centroid-chromium-centroid angle of 143°; the molecule closely approximates to C&lt;sub&gt;2&lt;/sub&gt; symmetry with respect to the Cr-C≡O axis.</dcterms:abstract>
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    <dc:contributor>Huttner, Gottfried</dc:contributor>
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    <dcterms:title>ansa-metallocene derivatives : VI. Synthesis and molecular structure of a stable tetramethylethylene-bridged chromocene carbonyl complex, (CH&lt;sub&gt;3&lt;/sub&gt;)&lt;sub&gt;4&lt;/sub&gt;C&lt;sub&gt;2&lt;/sub&gt;(C&lt;sub&gt;5&lt;/sub&gt;H&lt;sub&gt;4&lt;/sub&gt;)&lt;sub&gt;2&lt;/sub&gt;Cr(CO)</dcterms:title>
    <dc:contributor>Zsolnai, Laszlo</dc:contributor>
    <dc:contributor>Brintzinger, Hans-Herbert</dc:contributor>
    <dc:creator>Schwemlein, Heinz</dc:creator>
    <dc:creator>Zsolnai, Laszlo</dc:creator>
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    <dcterms:bibliographicCitation>Journal of Organometallic Chemistry ; 256 (1983), 2. - S. 285-289</dcterms:bibliographicCitation>
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