C-H-N-O, C-x polyhedra

• C-Cl-H-N-O
• C-Cu-H-N-O
• C-H-K-N-O
• C-H-N-Na-O
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• phase transitions
• thermal expansion
• pnictogen
• chalcogen
• organic
• non-disordered
• monoclinic
• triclinic
• orthorhombic
• tetragonal
• cubic