Alkali, Chalcogen, H-K-O-P, Structural properties

• H-K-N-O-P
• F-H-K-N-O-P
• H-K-Mn-O-P
• H-K-O-P-V
• thermal and thermodynamic properties
• volume change at phase transition
• cell volume change at phase transition
• pnictogen
• chalcogen
• alkali
• orthophosphate
• monoclinic
• tetragonal
• orthorhombic
• triclinic
• trigonal