“…15,16 Extensive investigations have been conducted on the chemical bonding, electronic structure, and properties of diverse metal-doped boron clusters, including LiB n + , 17 BeB n + , 18 MgB n AEm , 19 AlB n , 20 CaB n , 21 SrB n , 22 TiB 2n , 23 VB n , 24 NbB n À , 25 TaB 12 À , 26 ZrB n , 27 CeB n , 28 and IrB n . 29 Meanwhile, some borondoped metal-rich clusters (e.g., Mg n B, 30 Fe n B, 31 Ni n B, 32 Pd n B, 33 and Au n B À ) 34 and alloy clusters (e.g., Al n B m , [35][36][37][38][39] Li n B m , 40 and Mn n B m ) 41,42 were studied, showing altered electronic states and bonding properties.…”