Chalcogen, Pnictogen, Rare earth, Ho-N

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