Non-disordered, Np-O

• Na-Np-O
• H-Na-Np-O
• H-Np-O-S
• Np-O-Se
• thermal and thermodynamic properties
• electronic and electrical properties
• structural properties
• phase transitions
• thermal expansion
• radioactive
• non-disordered
• actinoid
• chalcogen
• monoclinic
• orthorhombic
• triclinic
• tetragonal
• trigonal