Cell and atoms, Enthalpy or energy, N-x polyhedra

• C-H-N-O
• C-H-N
• H-N-O-S
• H-N-O-P
• C-Cu-H-N-O
• enthalpy of formation
• pnictogen
• non-disordered
• chalcogen
• transitional
• monoclinic
• orthorhombic
• triclinic
• cubic
• tetragonal