Supplementary information of: "Bonding Nature between Noble Gases and Small Gold Clusters" Piero Ferrari*, Laia Delgado-Callico, Olga V. Lushchikova, Matias Bejide, Frank J. Wensink, Joost M. Bakker, Francesca Baletto, and Ewald Janssens* Cite this: J. Phys. Chem. Lett. 2022, 13, XXX, 4309–4314 Publication Date:May 9, 2022 https://doi.org/10.1021/acs.jpclett.2c00738 © 2022 American Chemical Society