Chalcogen, Deuterium, Monoclinic, Phase transitions

• Cs-H-O-P
• H-N-O-Se
• H-O-P-Rb
• H-N-O-S
• H-K-O
• fusion
• temperature for congruent melting
• structural transitions
• temperature for structural transition
• pressure derivative of transition temperature
• chalcogen
• deuterium
• non-disordered
• quaternary