Fig. 2: Solid-state single crystal structures of uranium(IV)-imido (3M) complexes at 150 K with 40% probability displacement ellipsoids.
From: Evidence for ligand- and solvent-induced disproportionation of uranium(IV)

a complex 3Li. b complex 3Na. c complex 3K. d complex 3Rb. e complex 3Cs. In each case all non-imido hydrogen atoms, lattice solvent molecules, and disorder components are omitted for clarity.