Chalcogen, Non-disordered, Nonmetal, Enthalpy change at structural transition

• Ba-O-Ti
• O-V
• K-O-Se
• H-N-O-Se
• O-Ti
• chalcogen
• non-disordered
• nonmetal
• transitional
• oxide
• orthorhombic
• monoclinic
• trigonal
• cubic
• tetragonal