Mollère, Phillip D.Bock, HansBecker, GerdFritz, Gerhard2010-10-192016-03-312010-10-192016-03-31197234824908Xhttp://nbn-resolving.de/urn:nbn:de:bsz:93-opus-57166http://elib.uni-stuttgart.de/handle/11682/7400http://dx.doi.org/10.18419/opus-7383The photoelectron spectra of substituted ethylenes, H 2 C=CHX (X = H, CH 3, SiH 3, CH 2CH 3, CH 2SiH 3) are discussed in the light of results of CNDO-type molecular orbital calculations. The characteristic shifts of the first bands are explained in terms of a qualitative model for the substituent effects of α- and β-silyl groups upon π-systems.eninfo:eu-repo/semantics/openAccessSilylgruppe , Substitutionsreaktion540article