I-x polyhedra, U

• I-U
• I-Se-Ta-U
• I-K-U
• I-Na-U
• thermal and thermodynamic properties
• structural properties
• electronic and electrical properties
• phase transitions
• fusion
• actinoid
• radioactive
• non-disordered
• unary
• frank-kasper
• tetragonal
• orthorhombic
• monoclinic
• triclinic
• trigonal