COMPARED BONDING GEOMETRIES OF C2H4 AND C3H6 ON K-COVERED PT(111) SURFACES

Citation
A. Cassuto et al., COMPARED BONDING GEOMETRIES OF C2H4 AND C3H6 ON K-COVERED PT(111) SURFACES, Surface science, 287, 1993, pp. 460-464
Citations number
14
Categorie Soggetti
Chemistry Physical
Journal title
ISSN journal
00396028
Volume
287
Year of publication
1993
Part
A
Pages
460 - 464
Database
ISI
SICI code
0039-6028(1993)287:<460:CBGOCA>2.0.ZU;2-J
Abstract
TDS, UPS and NEXAFS show that propylene is di-sigma-bonded on bare Pt( 111) and pi-bonded on K-covered Pt(111) at 95 K. The C-C ''double-bond plane'' of di-sigma C3H6 is parallel to the surface (as it is for C2H 4). In contrast, the bonding geometry of pi-bonded C3H6 is complex, wi th the C-C axis being not parallel to the surface (at variance with C2 H4), but the three carbon atoms stay in the same plane.