Cl-x polyhedra, Electronic energy gap, Trigonal

• Cl-Ni
• As-Bi-Cl-Hg
• Cd-Cl
• Cl-Fe
• Cl-Mg
• values of electronic energy gap
• energy gap for direct transition
• energy gap for indirect transition
• charge-transfer energy
• halogen
• chloride
• non-disordered
• transitional