Theoretical Chemistry Accounts

, 133:1463

Simulating Cl K-edge X-ray absorption spectroscopy in MCl62− (M = U, Np, Pu) complexes and UOCl5 using time-dependent density functional theory

Regular Article

DOI: 10.1007/s00214-014-1463-z

Cite this article as:
Govind, N. & de Jong, W.A. Theor Chem Acc (2014) 133: 1463. doi:10.1007/s00214-014-1463-z
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We report simulations of the X-ray absorption near edge structure at the Cl K-edge of actinide hexahalides MCl62− (M = U, Np, Pu) and the UOCl5 complex using linear response time-dependent density functional theory extended for core excitations. To the best of our knowledge, these are the first calculations of the Cl K-edge spectra of NpCl62− and PuCl62−. In addition, the spectra are simulated with and without the environmental effects of the host crystal as well as ab initio molecular dynamics to capture the dynamical effects due to atomic motion. The calculated spectra are compared with experimental results, where available and the observed trends are discussed.


Actinides Plutonium Uranium Neptunium K-edge Chlorine X-ray absorption Spectroscopy XAS XANES 

Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  1. 1.Environmental Molecular Sciences LaboratoryPacific Northwest National LaboratoryRichlandUSA
  2. 2.Scientific Computing GroupLawrence Berkeley National LaboratoryBerkeleyUSA

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