Planar Elongated B 12 Structure in M 3 B 12 Clusters (M = Cu-Au). - Solar-Encinas, José; Vásquez-Espinal, Alejandro; Leyva-Parra, Luis; Yañez, Osvaldo; Inostroza, Diego; Valenzuela, Maria Luisa; Orellana, Walter; Tiznado, William (Molecules, 2023)