The molecular structure of a complex of tetramethylcyclobutadiene and aluminium chloride,containing a σ-AlC bond |
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Authors: | C. Krüger P.J. Roberts Y.-H. Tsay J.B. Koster |
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Affiliation: | Max-Planck-Institut für Kohlenforschung, 433 Mülheim (Ruhr), Lembkestr 5 B.R.D.;Fabenfabrik Bayer A.G., Dormagen B.R.D. |
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Abstract: | The molecular structure of the primary reaction product of 2-butyne and aluminium cloride has been deduced from single crystal X-ray diffraction data (1148 reflections) (a = 15.664(8); b = 10.886(4), c = 7.222(2) Å, Z = 4, space group Pnma). The aluminium chloride is coordinated via a σ-aluminium carbon bond (1.979 Å) to a non-planar tetramethylcyclobutadiene moiety. The bond length pattern indicates a charge dislocation within the four-membered ring. |
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