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Insights into the Electronic Structure of a U(IV) Amido and U(V) Imido Complex.
Köhler, Luisa; Patzschke, Michael; Bauters, Stephen; Vitova, Tonya; Butorin, Sergei M; Kvashnina, Kristina O; Schmidt, Moritz; Stumpf, Thorsten; März, Juliane.
Afiliación
  • Köhler L; Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Resource Ecology, Bautzner Landstraße 400, 01328, Dresden, Germany.
  • Patzschke M; Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Resource Ecology, Bautzner Landstraße 400, 01328, Dresden, Germany.
  • Bauters S; Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Resource Ecology, Bautzner Landstraße 400, 01328, Dresden, Germany.
  • Vitova T; The Rossendorf Beamline at ESRF at the European Synchrotron, CS40220, 38043, Grenoble Cedex 9, France.
  • Butorin SM; Karlsruhe Institute of Technology, Institute for Nuclear Waste Disposal (INE), P.O. Box 3640, 76021, Karlsruhe, Germany.
  • Kvashnina KO; Condensed Matter Physics of Energy Materials, X-ray Photon Science, Department of Physics and Astronomy, Uppsala University, P.O. Box 516, SE-751 20, Uppsala, Sweden.
  • Schmidt M; Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Resource Ecology, Bautzner Landstraße 400, 01328, Dresden, Germany.
  • Stumpf T; The Rossendorf Beamline at ESRF at the European Synchrotron, CS40220, 38043, Grenoble Cedex 9, France.
  • März J; Helmholtz-Zentrum Dresden-Rossendorf (HZDR), Institute of Resource Ecology, Bautzner Landstraße 400, 01328, Dresden, Germany.
Chemistry ; 28(21): e202200119, 2022 Apr 12.
Article en En | MEDLINE | ID: mdl-35179271
ABSTRACT
Reaction of the N-heterocylic carbene ligand i PrIm (L1 ) and lithium bis(trimethylsilyl)amide (TMSA) as a base with UCl4 resulted in U(IV) and U(V) complexes. Uranium's +V oxidation state in (HL1 )2 [U(V)(TMSI)Cl5 ] (TMSI=trimethylsilylimido) (2) was confirmed by HERFD-XANES measurements. Solid state characterization by SC-XRD and geometry optimisation of [U(IV)(L1 )2 (TMSA)Cl3 ] (1) indicated a silylamido ligand mediated inverse trans influence (ITI). The ITI was examined regarding different metal oxidation states and was compared to transition metal analogues by theoretical calculations.
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Texto completo: 1 Base de datos: MEDLINE Idioma: En Revista: Chemistry Asunto de la revista: QUIMICA Año: 2022 Tipo del documento: Article País de afiliación: Alemania
Texto completo
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PubMed Links
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Texto completo: 1 Base de datos: MEDLINE Idioma: En Revista: Chemistry Asunto de la revista: QUIMICA Año: 2022 Tipo del documento: Article País de afiliación: Alemania