Computational insights into uranium complexes supported by redox-active α-diimine ligands

Giovanni Li Manni, Justin R. Walensky, Steven J. Kraft, William P. Forrest, Lisa M. Pérez, Michael B. Hall, Laura Gagliardi, Suzanne C. Bart

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18 Scopus citations

Abstract

The electronic structures of two uranium compounds supported by redox-active α-diimine ligands, ( MesDAB Me)2U(THF) (1) and Cp2 U( MesDAB Me) (2) ( MesDAB Me = [ArN=C(Me)C(Me)=NAr]; Ar = 2,4,6- trimethylphenyl (Mes)), have been investigated using both density functional theory and multiconfigurational selfconsistent field methods. Results from these studies have established that both uranium centers are tetravalent, that the ligands are reduced by two electrons, and that the ground states of these molecules are triplets. Energetically low-lying singlet states are accessible, and some transitions to these states are visible in the electronic absorption spectrum.

Original languageEnglish (US)
Pages (from-to)2058-2064
Number of pages7
JournalInorganic chemistry
Volume51
Issue number4
DOIs
StatePublished - Feb 20 2012

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    Manni, G. L., Walensky, J. R., Kraft, S. J., Forrest, W. P., Pérez, L. M., Hall, M. B., Gagliardi, L., & Bart, S. C. (2012). Computational insights into uranium complexes supported by redox-active α-diimine ligands. Inorganic chemistry, 51(4), 2058-2064. https://doi.org/10.1021/ic202522w