In this communication, we report a joint experimental and theoretical study of the interactions between gold anion, Au-, and an NG atom (NG ) Ne, Ar, Kr, Xe) or a molecule of O2, CH4, or H2O. Except for the Au- · · ·H2O interaction, which is comparable to strong hydrogen bonding, all of these are weak charge-induced intermolecular interactions. The observation of a weakly bound Au(O2)- complex shows the inertness of Au- toward O2, in line with the previous observation of the odd-even effect in the reactions of Aun - clusters and O2. By comparing with results of high-level ab initio calculations, we demonstrate that anion PES is a good technique for probing weak charge-induced intermolecular interactions.
Revised: July 4, 2010 |
Published: June 19, 2009
Citation
Gao Y., W. Huang, J. Woodford, L.S. Wang, and X. Zeng. 2009.Detecting Weak Interactions between Au- and Gas Molecules: A Photoelectron Spectroscopic and Ab Initio Study.Journal of the American Chemical Society 131, no. 27:9484-9485.PNNL-SA-67859.doi:10.1021/ja903043d