Chalcogen, Lanthanoid, Er-N, Monoclinic

• Er-H-N-O
• C-Er-H-N-O
• Er-H-N-O-P
• Er-H-N-O-S
• B-C-Er-H-N-O
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• enthalpy or energy
• phase transitions
• rare earth
• pnictogen
• chalcogen
• lanthanoid