Chalcogen, Lanthanoid, Pnictogen, N-Pr

• H-N-O-Pr
• H-N-O-Pr-S
• C-Co-H-N-O-Pr
• C-Fe-H-N-O-Pr
• Cl-N-Pr-S
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• phase transitions
• enthalpy or energy
• rare earth
• lanthanoid
• chalcogen
• pnictogen
• monoclinic
• orthorhombic
• hexagonal
• cubic
• tetragonal