Chalcogen, Chloride, Cl-Cu, Electronic energy gap

• Ba-Cl-Cu-O
• C-Cl-Cu-H-N-O
• Cl-Cu-H-O
• Cl-Cu-H-O-Zn
• Cl-Cu-O-Te
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• transitional
• halogen
• chalcogen
• chloride
• tetragonal
• monoclinic
• orthorhombic
• trigonal
• triclinic