Shun Ito, Kiichirou Koyasu, Tatsuya Tsukuda. "Structural Origin of Spin‐Orbit Splitting of 1P Orbitals of Icosahedral Au
                    <sub>13</sub>
                    Superatom Protected by Ligands." Angewandte Chemie International Edition, 2025. doi:10.1002/anie.202508151