Compound 2

eicosaammine-1κ⁸ N,2κ⁸ N,3κ⁴ N-bromido-3κ¹ Br-di-µ-nitrido-1:3κ² N;2:3κ² N-diuranium(4+)uranium(6+) cation

From: Complexes featuring a linear [N≡U≡N] core isoelectronic to the uranyl cation