Cell and atoms, Halogen, Electronic and electrical properties, F-x polyhedra

• C-F
• F-H-N
• F-H-K
• Al-F-K
• F-La
• electrical conductivity
• effective mass
• electronic energy gap
• values of electronic energy gap
• valence or charge transfer
• halogen
• fluoride
• non-disordered
• transitional
• monoclinic
• orthorhombic
• cubic
• tetragonal
• trigonal