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1983 (1)
1Author    Klaus Ackermann, Peter Hofmann, FrankH. Köhler, Hans Kratzer, Herbert Krist, Karl Öfele, HelmutR. SchmidtRequires cookie*
 Title    Synthese, Molekül-und Elektronenstruktur eines Radikal-Kationkomplexes [Cr(CO)4(Carben)2] + Synthesis, Molecular and Electronic Structure of a Radical Cationic Complex [Cr(CO)4(Carbene)2] +  
 Abstract    A new one-step synthesis for bis-carbene complexes cis-M(CO)4L2 (M = Cr, Mo, W) containing cyclic carbene ligands L has been developed. These compounds can be oxidized by ferrocenium salts to paramagnetic cation complexes [M(CO)4L2] + which, for M = Cr, are isolable in the form of their PFÖ salts. The chromium compounds with L= 1,3-dimethyl-4-imidazolin-2-ylidene permit for the first time a structural and spectroscopic comparison of a diamagnetic carbene complex with the corresponding paramagnetic cation; the experimental facts are interpreted by molecular orbital calculations. 
  Reference    Z. Naturforsch. 38b, 1313—1324 (1983); eingegangen am 14. Juli 1983 
  Published    1983 
  Keywords    Cationic Dicarbene Complexes, Synthesis, Structure and Bonding 
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 TEI-XML for    default:Reihe_B/38/ZNB-1983-38b-1313.pdf 
 Identifier    ZNB-1983-38b-1313 
 Volume    38