Comparing the 2,2′-Biphenylenedithiophosphinate Binding of Americium with Neodymium and Europium

Justin N. Cross, Joseph A. Macor, Jeffery A. Bertke, Maryline G. Ferrier, Gregory S. Girolami, Stosh A. Kozimor, Joel R. Maassen, Brian L. Scott, David K. Shuh, Benjamin W. Stein, S. Chantal E. Stieber

Research output: Contribution to journalArticlepeer-review

Abstract

Advancing our understanding of the minor actinides (Am, Cm) versus lanthanides is key for developing advanced nuclear-fuel cycles. Herein, we describe the preparation of (NBu4)Am[S2P(tBu2C12H6)]4and two isomorphous lanthanide complexes, namely one with a similar ionic radius (i.e., NdIII) and an isoelectronic one (EuIII). The results include the first measurement of an Am−S bond length, with a mean value of 2.921(9) Å, by single-crystal X-ray diffraction. Comparison with the EuIIIand NdIIIcomplexes revealed subtle electronic differences between the complexes of AmIIIand the lanthanides.

Original languageEnglish (US)
Pages (from-to)12755-12759
Number of pages5
JournalAngewandte Chemie - International Edition
Volume55
Issue number41
DOIs
StatePublished - Oct 4 2016

Keywords

  • X-ray diffraction
  • actinides
  • americium
  • lanthanides
  • radiochemistry

ASJC Scopus subject areas

  • Catalysis
  • Chemistry(all)

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