Alkali, Chalcogen, Pressure for structural transition

• Na-O-V
• Cs-H-O-S
• H-K-O-P
• Li-O-V
• I-K-O
• chalcogen
• alkali
• non-disordered
• ternary
• transitional
• monoclinic
• orthorhombic
• cubic
• trigonal
• tetragonal