Chalcogen, Conductor, Disordered, Enthalpy change at structural transition

• H-Li-N-O-S
• H-N-O-Se
• Ba-O-Ti
• O-Ti
• H-O-Rb-S-Se
• disordered
• conductor
• chalcogen
• transitional
• non-disordered
• orthorhombic
• monoclinic
• tetragonal
• trigonal
• cubic