U(IV) and U(V) azide complexes supported by amide or aryloxide ligands

摘要

The uranium(IV) azides [Li(THF)(3)](2)[U(OAr)(4)(N-3)(2)], Ar = 2,6-Me2C6H3, and {[Na(THF)(4)][U[N(SiMe3)(2)](3)(N-3)(2)]}(x) have been synthesised and structurally characterised. Oxidation of these complexes affords [Li(THF)(3)][U(OAr)(5)(N-3)] and U[N(SiMe3)(2)](3)(N-3)(2), which are the first azides of U(V).