C, Chalcogen, Organic, Enthalpy or energy, Hexagonal

• Al-C-H-Na-O-Si
• C-Ca-Cl-H-O-P
• Al-C-Ca-H-Na-O-Si
• Au-C-H-N-O-Tb
• C-Co-H-N-O
• enthalpy of formation
• organic
• chalcogen
• hydrate
• multinary