Amide, Non-disordered, Pnictogen, Quaternary, Debye or einstein temperature

• C-H-N-O
• H-N-O-P
• C-H-N-S
• C-Cl-H-N
• Cl-H-N-P
• pnictogen
• amide
• non-disordered
• quaternary
• monoclinic
• orthorhombic
• trigonal
• tetragonal
• triclinic