Chalcogen, Pnictogen, P-Rb, Structural properties

• H-O-P-Rb
• O-P-Rb-Ti
• O-P-Rb-Y
• Nd-O-P-Rb
• Ho-O-P-Rb
• mechanical properties
• compressibility
• pressure dependence of cell parameter
• pnictogen
• alkali
• chalcogen
• transitional
• monoclinic
• orthorhombic
• trigonal
• cubic
• tetragonal