Cell and atoms, Chalcogen, H, Phase transitions

• C-H-N-O
• Al-H-Na-O-Si
• Al-Ca-H-O-Si
• Fe-H-O-P
• H-N-O-P
• fusion
• temperature for congruent melting
• chalcogen
• non-disordered
• hydrate
• transitional
• monoclinic
• orthorhombic
• triclinic
• trigonal
• cubic