Dielectric Measurements and Molecular Structure. Styrene Oxides and Phenylcyclopropanes
Open Access
- 1 September 1979
- journal article
- Published by Walter de Gruyter GmbH in Zeitschrift für Naturforschung B
- Vol. 34 (9) , 1298-1302
- https://doi.org/10.1515/znb-1979-0928
Abstract
The effects of electronic structure and conformation of the molecules (Y = o, m, and p-Cl) and (Y′ = o, and m-Cl) have been studied in benzene between 10.0 and 70.0 °C. In the oxirane systems the conjugation between the two rings is very small, if present at all; consequently, in the absence of steric and/or electrostatic hindrance internal rotation is observed. In the cyclopropane systems examined these steric effects are sufficiently important to completely immobilise the molecular structure.Keywords
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