C-H-N-O, Tetrahedron 4-vertex

• C-H-N-O-S
• C-H-N-O-P
• C-H-K-N-O
• C-Cl-H-N-O
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• phase transitions
• mechanical properties
• pnictogen
• chalcogen
• organic
• hydrate
• monoclinic
• triclinic
• orthorhombic
• tetragonal
• cubic