Laser-ablated uranium cation reacts with O2 to give UO2+, which is found to form UO2+(Ng)n (Ng = Ne, Ar, Kr, Xe) complexes on condensation with excess noble gas. Experiments with mixtures of noble gases lead to five new absorptions for the mixed UO2+(Ng)x(Ng')y complexes and show that the coordination number is five for Ng = Ar, Kr, and Xe. These results are consistent with predictions by relativistic density functional calculations and indicate significant bonding between U and noble-gas atoms.
Revised: August 18, 2004 |
Published: May 3, 2004
Citation
Wang X., L. Andrews, J. Li, and B.E. Bursten. 2004.Significant Interactions between Uranium and Noble-Gas Atoms: Coordination of the UO2+ Cation by Ne, Ar, Kr, and Xe Atoms.Angewandte Chemie International Edition 43, no. 19:2554-2557.PNNL-SA-42115.