8-equatorial capped pentagonal prism 18-vertex, Electronic energy gap, Hexagonal

• Cs-O-Y
• In-P-Sr
• Al-C-Y
• Al-C-Sc
• Li-Si-Y
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• spin-orbit splitting of valence band
• non-disordered
• transitional
• ternary
• rare earth