Chalcogen, Cyanide, Fusion, Orthorhombic

• C-Fe-H-K-N-O
• C-H-N-O
• Ba-C-Fe-H-N-O
• C-H-N-Ni-O
• C-N-Se
• temperature for congruent melting
• cyanide
• chalcogen
• pnictogen
• transitional