Debye or einstein temperature, Na-P, Transitional

• Fe-Na-O-P
• Na-O-P-V
• Co-Na-O-P
• H-Na-O-P-Zn
• Mn-Na-O-P
• transitional
• pnictogen
• alkali
• chalcogen
• monoclinic
• orthorhombic
• trigonal
• triclinic
• hexagonal