Table 2. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1A⋯O2ii	0.84 (7)	2.10 (7)	2.934 (6)	174 (5)
O1W—H1B⋯Br2iii	0.83 (5)	2.65 (6)	3.467 (4)	169 (6)

Symmetry codes: (ii) ; (iii) .