Cell and atoms, Chalcogen, Transitional, Electronic energy gap

• C-Cu-H-N-O
• Fe-H-O-P
• Fe-H-O-S
• C-Co-H-N-O
• H-O-P-Zn
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• chalcogen
• transitional
• disordered
• oxide
• monoclinic
• orthorhombic
• cubic
• tetragonal
• trigonal