Chalcogen, Cyanide, Pnictogen, Hexagonal, Structural properties

• C-Fe-H-La-N-O
• C-Co-H-N-O-Pr
• C-Fe-H-N-O-Pr
• C-Hg-N-O
• C-Co-H-La-N-O-Pr
• pnictogen
• chalcogen
• cyanide
• transitional
• multinary