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Keywords:

  • actinides;
  • cation–cation interactions;
  • f orbitals;
  • imides;
  • uranium

Abstract

Thumbnail image of graphical abstract

Communication is important: The dimeric bis(imido) uranium complex [{U(NtBu)2(I)(tBu2bpy)}2] (see picture; U green, N blue, I red) has cation–cation interactions between [U(NR)2]+ ions. This f1–f1 system also displays f orbital communication between uranium(V) centers at low temperatures, and can be oxidized to generate uranium(VI) bis(imido) complexes.