Carbonate, Electronic energy gap

• C-Ca-O
• C-H-Na-O
• C-H-K-O
• Ba-C-Ca-Cu-O
• C-Co-H-N-O
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• chalcogen
• carbonate
• non-disordered
• organic
• monoclinic
• orthorhombic
• hexagonal
• trigonal
• tetragonal