C-H-N-O, Tetrahedron 4-vertex, Values of electronic energy gap

• C-H-N-O-P
• C-H-K-N-O
• C-H-N-O-S
• C-Cl-H-N-O
• organic
• pnictogen
• chalcogen
• non-disordered
• monoclinic
• triclinic
• orthorhombic
• tetragonal
• cubic