Please use this identifier to cite or link to this item: http://scholarbank.nus.edu.sg/handle/10635/27650
Title: Catalytic reactions of acetyl compounds on Ni(111)
Authors: YEO BOON SIANG, JASON
Keywords: Surface Chemistry, Ultrahigh Vacuum, Nickel, Reflection Absorption Infrared Spectroscopy, Carbonyl Compounds, Coadsorption.
Issue Date: 18-Sep-2004
Source: YEO BOON SIANG, JASON (2004-09-18). Catalytic reactions of acetyl compounds on Ni(111). ScholarBank@NUS Repository.
Abstract: The surface chemistry of acetyl bromide, acetyl chloride, acetyl chloride-d3, acetyl-13C1-chloride, acetic anhydride and acetyl cyanide have been investigated on clean and coadsorbate-modified Ni(111) using reflection absorption infrared spectroscopy. On O-precovered Ni(111), all the molecules have been found to undergo nucleophilic substitution reaction with the O adatoms to give acetate. On clean Ni(111), acetyl chloride reacts to give acetic anhydride. Acetyl cyanide adsorbs on the clean surface via either di-sigma bonding of the carbonyl group or dative bonding through the carbonyl O lone pair electrons. Acetyl species have been synthesized from the dissociation of acetyl halides and acetic anhydride on CO-precovered Ni(111).
URI: http://scholarbank.nus.edu.sg/handle/10635/27650
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