Alkali, Chalcogen, Non-disordered, Values of electronic energy gap

• Li-O-V
• H-K-O-P
• H-Na-O-P
• C-H-K-N-O
• C-H-N-Na-O
• chalcogen
• alkali
• non-disordered
• transitional
• monoclinic
• orthorhombic
• triclinic
• trigonal
• tetragonal