C-H-N-O, Non-disordered, Temperature for congruent melting

• C-Cu-H-N-O
• C-Cl-H-N-O
• C-H-N-Na-O
• C-H-K-N-O
• pnictogen
• organic
• chalcogen
• non-disordered
• monoclinic
• triclinic
• orthorhombic
• hexagonal
• tetragonal