Cell and atoms, Electronic and electrical properties, Fe-Na, Trigonal

• Fe-H-K-Na-O-S
• Fe-Na-Nb-O-P
• Fe-Na-O
• Fe-H-Na-O-S
• C-Fe-H-K-Na-O
• effective mass
• electrical conductivity
• electronic energy gap
• values of electronic energy gap
• transitional
• alkali
• chalcogen
• disordered