C-F, F-x polyhedra, Halogen, Phase transitions

• Ba-C-Cs-F-O
• C-F-N-O-S
• C-F-H-N-O
• As-C-F-S
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• decomposition temperature
• halogen
• non-disordered
• chalcogen
• fluoride
• monoclinic
• orthorhombic
• triclinic
• hexagonal
• tetragonal