Alkali, Cell and atoms, Electronic energy gap, Monoclinic

• H-K-O-P
• H-Na-O-P
• C-H-N-Na-O
• C-H-K-N-O
• Cs-Mo-O-P
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• alkali
• chalcogen
• non-disordered
• transitional