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Chem Commun (Camb). 2020 Feb 20;56(15):2252-2255. doi: 10.1039/c9cc09851h.

London dispersion-driven hetero-aryl-aryl interactions in 1,2-diaryldisilanes.

Author information

1
Lehrstuhl für Anorganische Chemie und Strukturchemie, Fakultät für Chemie, Universität Bielefeld, Universitätsstraße 25, 33615 Bielefeld, Germany. mitzel@uni-bielefeld.de.
2
Division of Materials Chemistry, Paris-Lodron-Universität Salzburg, Jakob-Haringer-Straße 2a, 5020 Salzburg, Austria.

Abstract

Non-covalent aryl-aryl interactions for the molecular structures of three 1,2-diaryltetramethyldisilanes X5C6-(SiMe2)2-C6Y5 (X ≠ Y; X, Y = H, F, Cl) were studied by single crystal X-ray and gas electron diffraction as well as by SAPT calculations. Aryl-aryl interactions cause all to adopt exclusively rather untypical eclipsed syn-conformers in the gas phase, and C6F5-(SiMe2)2-C6Cl5 also in the solid state.

PMID:
31993595
DOI:
10.1039/c9cc09851h

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