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Godemann C, Spannenberg A, Beweries T. Crystal structure of 1,1,2,2-tetra-methyl-1,2-bis-(2,3,4,5-tetra-methyl-cyclo-penta-2,4-dien-1-yl)disilane. Acta Crystallogr E Crystallogr Commun. 2015;71:o888doi: 10.1107/S2056989015019891.
Godemann, C., Spannenberg, A., & Beweries, T. (2015). Crystal structure of 1,1,2,2-tetra-methyl-1,2-bis-(2,3,4,5-tetra-methyl-cyclo-penta-2,4-dien-1-yl)disilane. Acta crystallographica. Section E, Crystallographic communications, 71o888. https://doi.org/10.1107/S2056989015019891
Godemann, Christian, et al. "Crystal structure of 1,1,2,2-tetra-methyl-1,2-bis-(2,3,4,5-tetra-methyl-cyclo-penta-2,4-dien-1-yl)disilane." Acta crystallographica. Section E, Crystallographic communications vol. 71 (2015): o888. doi: https://doi.org/10.1107/S2056989015019891
Godemann C, Spannenberg A, Beweries T. Crystal structure of 1,1,2,2-tetra-methyl-1,2-bis-(2,3,4,5-tetra-methyl-cyclo-penta-2,4-dien-1-yl)disilane. Acta Crystallogr E Crystallogr Commun. 2015 Oct 28;71:o888. doi: 10.1107/S2056989015019891. eCollection 2015 Nov 01. PMID: 26594581; PMCID: PMC4644997.
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Acta Crystallogr E Crystallogr Commun. 2015 Oct 28;71:o888. doi: 10.1107/S2056989015019891. eCollection 2015 Nov 01.

Crystal structure of 1,1,2,2-tetra-methyl-1,2-bis-(2,3,4,5-tetra-methyl-cyclo-penta-2,4-dien-1-yl)disilane.

Acta crystallographica. Section E, Crystallographic communications

Christian Godemann, Anke Spannenberg, Torsten Beweries

Affiliations

  1. Leibniz-Institut für Katalyse e. V. der Universität Rostock, Albert-Einstein-Strasse 29a, 18059 Rostock, Germany.

PMID: 26594581 PMCID: PMC4644997 DOI: 10.1107/S2056989015019891

Abstract

The mol-ecular structure of the title compound, C22H38Si2, features a trans arrangement of the cyclo-penta-dienyl rings to avoid steric strain [C-Si-Si-C torsion angle = -179.0 (5)°]. The Si-Si bond length is 2.3444 (4) Å. The most notable inter-molecular inter-actions in the mol-ecular packing are C-H⋯π contacts that lead to the formation of wave-like supra-molecular chains along the b axis.

Keywords: ansa ligand; crystal structure; disilane

References

  1. Acta Crystallogr A. 2008 Jan;64(Pt 1):112-22 - PubMed
  2. Chemistry. 2013 May 10;19(20):6350-7 - PubMed
  3. Chem Commun (Camb). 2015 Feb 21;51(15):3065-8 - PubMed

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