Steric inhibition of resonance studied by molecular photoelectron spectroscopy. Part 2.—Phenylethylenes
- 1 January 1973
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 2: Molecular and Chemical Physics
- Vol. 69, 196-206
- https://doi.org/10.1039/f29736900196
Abstract
Some aspects of the HeI photoelectron spectroscopy of substituted phenylethylenes and related molecules are presented. The interpretation of the variation of the photoelectron π ionization energies with substituents allows the separation of steric from electronic effects. Interaction of semi-localised π molecular orbitals incorporated within a Hückel type theory provides a means of estimation of the dihedral angles.Keywords
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