Electronic energy gap, F-x polyhedra, Tetragonal

• F-Na-O-P-V
• F-H-K
• Al-F-K
• F-Li-Th
• Al-F-Rb
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• charge-transfer energy
• thermal energy gap
• halogen
• fluoride
• non-disordered
• transitional