4,5-Dibromophthalimide forms two centrosymmetric dimers, one linked by C-H...O hydrogen bonds and one by N-H...O hydrogen bonds.
Williamson C, Harrison WT. 4,5-Dibromophthalimide forms two centrosymmetric dimers, one linked by C-H...O hydrogen bonds and one by N-H...O hydrogen bonds. Acta Crystallogr C. 2007 Mar; 63(Pt 3):o185-6.