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RevistaPhysical Review Letters
Año2011
Volumen107
Páginas256101-1-5
Internacional

Visualization of Hydrogen Bonding and Associated Chirality in Methanol Hexamers

Autores:Timothy J Lawton , Javier Carrasco Rodríguez, Ashleigh E. Baber , Angelos Michaelides , E. Charles H. Sykes
Grupos de investigación:Catálisis Teórica y Modelización
Using a combination of scanning tunneling microscopy (STM) and density functional theory the hydrogen bond directionality and associated chirality of enantiopure clusters is visualized and controlled. This is demonstrated with methanol hexamers adsorbed on Au(111), which depending on their chirality, adopt two distinct molecular footprints on the surface. Controlled STM tip manipulations were used to interconvert the chirality of entire clusters and to break up metastable chain structures into hexamers.
Palabras clave:METAL-SURFACES, ADSORPTION, MOLECULAR-DYNAMICS, LIQUID METHANOL, CLUSTERS, AU(111), NETWORKS, WATER
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