A Tetrahedral Silver-Rich Supercluster Composed of 8-Electron IrH 2 Ag 12 Icosahedra - Tzu-Hao Chiu; Michael N. Pillay; Yoshiki Niihori; Yuichi Negishi; Samia Kahlal; Jean-Yves Saillard; C. W. Liu (Journal of the American Chemical Society, 2026)