Chalcogen, Fusion, N

• C-H-N-O
• H-N-O-P
• C-Cu-H-N-O
• H-N-O-S
• C-Cl-H-N-O
• temperature for congruent melting
• pnictogen
• chalcogen
• non-disordered
• transitional
• monoclinic
• orthorhombic
• triclinic
• cubic
• tetragonal