Alkali, Chalcogen, Cl-Na-O, Electronic energy gap

• B-Cl-Na-O
• C-Cl-H-N-Na-O
• Cl-F-Na-O-S
• B-Ba-Cl-F-Na-O
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• halogen
• alkali
• chalcogen
• chloride
• monoclinic
• hexagonal
• tetragonal
• cubic
• orthorhombic