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Flux Synthesis, Structure, Properties, and Theoretical Magnetic Study of Uranium(IV)-Containing A₂USi₆O₁₅ (A = K, Rb) with an Intriguing Green-to-Purple, Crystal-to-Crystal Structural Transition in the K Analogue

  • Morrison, Gregory Department of Chemistry and Biochemistry, University of South Carolina, Columbia, United States
  • Ramanantoanina, Harry Department of Chemistry, University of Fribourg, Switzerland
  • Urland, Werner Department of Chemistry, University of Fribourg, Switzerland
  • Smith, Mark D. Department of Chemistry and Biochemistry, University of South Carolina, Columbia, United States
  • Loye, Hans-Conrad zur Department of Chemistry and Biochemistry, University of South Carolina, Columbia, United States
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    01.06.2015
Published in:
  • Inorganic Chemistry. - 2015, vol. 54, no. 11, p. 5504–5511
English Single crystals of uranium(IV)-containing A₂USi₆O₁₅ (A = K, Rb) were grown using the flux growth method. The two compounds crystallize in a new structure type related to Cs₂USi₆O₁₅. K₂USi₆O₁₅ exhibits an interesting crystal-to-crystal transition, which is accompanied by an intense color change. Magnetic properties are reported for A₂USi₆O₁₅ and differ from other U(IV) compounds. A theoretical study on the magnetism of K₂USi₆O₁₅ is reported based on the (UO₆)⁻⁸ clusters.
Faculty
Faculté des sciences et de médecine
Department
Département de Chimie
Language
  • English
Classification
Chemistry
License
License undefined
Identifiers
Persistent URL
https://folia.unifr.ch/unifr/documents/304402
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