Journal
JOURNAL OF PHYSICAL CHEMISTRY LETTERS
Volume 7, Issue 11, Pages 2074-2079Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpclett.6b00612
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Funding
- GENCI (CINES) [x2015080609]
- LIA FUNCAT collaboration
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Aromatic chemistry on metallic surfaces is involved in many processes within the contexts of biomass valorization, pollutant degradation, or corrosion protection. Albeit theoretically and experimentally challenging, knowing the structure and the stability of aromatic compounds on such surfaces is essential to understand their properties. To gain insights on this topic, we performed periodic ab initio calculations on Pt(111) to determine a set of simple molecular descriptors that predict both the stability and the structure of aromatic adsorbates substituted with alkyl and alkoxy (or hydroxy) groups. While the van der Waals (vdW) interaction is controlled by the molecular weight and the deformation energy by both the nature and the relative position of the substituents to the surface, the chemical bonding can be correlated to the Hard and Soft Acids and Bases (HSAB) interaction energy. This work gives general insights on the interaction of aromatic compounds with the Pt(111) surface.
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