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Activation of Molecular Oxygen by Anionic Gold Clusters


  • We acknowledge the support of the Stichting voor Fundamenteel Onderzoek der Materie (FOM) for providing beam time on FELIX, and the FELIX staff for their skilful assistance, in particular Dr. B. Redlich and Dr. A. F. G. van der Meer. This work is supported by the Cluster of Excellence “Unifying Concepts in Catalysis” coordinated by the Technical University Berlin and funded by the Deutsche Forschungsgemeinschaft.


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A golden opportunity: Molecular oxygen is found to be converted into a superoxo (O2) species upon complexation to gold-cluster anions containing an even number of Au atoms. Vibrational spectra (see scheme) reveal small variations in the extent of O[BOND]O bond activation dependent upon the electron affinity of the parent cluster.