All 3-vertex, C, Temperature for congruent melting

• C-H-N-O
• C-F
• C-H-N
• C-Cl
• C-Cu-H-N-O
• chalcogen
• non-disordered
• organic
• pnictogen
• monoclinic
• orthorhombic
• triclinic
• trigonal
• hexagonal