Ba-H, Chalcogen, Monoclinic, Phase transitions

• Ba-H-O
• B-Ba-H-O
• Ba-C-H-N-O
• Ba-C-H-O
• Ba-H-I-O
• fusion
• temperature for congruent melting
• decomposition
• decomposition temperature
• structural transitions
• alkaline
• chalcogen
• non-disordered
• hydrate