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Facile Preparation of (2Z,4E)-Dienamides by the Olefination of Electron-deficient Alkenes with Allyl Acetate
Published on: June 21, 2017
(E)-1,2-Bis{4-[dimeth-yl(vin-yl)silyl]-phenyl}-ethene
Mariusz Majchrzak1, Bogdan Marciniec, Maciej Kubicki
1Department of Chemistry, Adam Mickiewicz University, Grunwaldzka 6, 60-780 Poznań, Poland.
Acta Crystallographica. Section E, Structure Reports Online
|January 5, 2011
Summary
This study details the crystal structure of a C(32)H(34)Si(2) compound, revealing a planar diphenyl-ethene core. Molecular geometry and symmetry were analyzed, highlighting specific rotational angles and stabilizing interactions.
Area of Science:
- Crystal structure analysis
- Molecular geometry
- Solid-state chemistry
Background:
- Understanding the solid-state behavior of organosilicon compounds is crucial.
- Previous studies have explored the structural diversity of silicon-containing molecules.
Purpose of the Study:
- To elucidate the crystal structure and molecular arrangement of the title compound C(32)H(34)Si(2).
- To investigate the conformational preferences and intermolecular interactions within the crystal lattice.
Main Methods:
- Single-crystal X-ray diffraction was employed to determine the molecular structure.
- Analysis of bond lengths, bond angles, and torsion angles provided insights into molecular geometry.
- Identification of non-covalent interactions, such as C-H⋯π contacts and van der Waals forces, was performed.
Main Results:
- The molecule C(32)H(34)Si(2) exhibits a center of symmetry.
- The diphenyl-ethene fragment is planar, with a notable rotation (approx. 30°) of the C(ar)-Si-C(3) group relative to the benzene ring plane.
- Crystal packing is stabilized by a combination of C-H⋯π contacts and van der Waals interactions.
Conclusions:
- The crystal structure provides a detailed understanding of the spatial arrangement of C(32)H(34)Si(2).
- The observed molecular conformation and stabilizing interactions are key factors in the compound's solid-state behavior.
- This structural data contributes to the broader knowledge of organosilicon compound crystallography.
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