Startseite 1,1′-Di(tert-butyl)metallocenium Cations. The X-Ray Crystal Structures of [M(C5H4tBu)2]PF6 (M = Fe, Co) and [Co (C5H4t Bu)2]2CoCl4
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1,1′-Di(tert-butyl)metallocenium Cations. The X-Ray Crystal Structures of [M(C5H4tBu)2]PF6 (M = Fe, Co) and [Co (C5H4t Bu)2]2CoCl4

  • Max Herberhold EMAIL logo , Yan-Xiang Cheng , Guo-Xin Jin und Wolfgang Milius
Veröffentlicht/Copyright: 2. Juni 2014
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The hexafluorophosphate salts [Fe(C5H4tBu)2]PF6 (1) and [Co(C5 H4 tBu)2]PF6 (2) crystallize in isotypic structures with centrosymmetric cations which have a staggered (transoid) conformation of the exactly parallel ring ligands (conformational angle τ = 180°). The tetrachlorocobaltate salt, [Co(C5H4tBu)2 ]2 CoCl4 (3), contains one almost eclipsed (τ = 140.4°) and one almost staggered (τ = 101.4°) cobaltocenium cation; in both cases, the cyclopentadienyl ring planes are slightly inclined (by α = 5.4° and 4.1°, respectively) to give more room to the tert-butyl substituents which are bent away from the metal in all three complexes 1 - 3

Received: 2000-5-26
Published Online: 2014-6-2
Published in Print: 2000-9-1

© 1946 – 2014: Verlag der Zeitschrift für Naturforschung

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