Table 1. Hydrogen-bond geometry (Å, °).

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C6—H6B⋯O2i	0.97	2.60	3.377 (3)	137
C16—H16A⋯Br1ii	0.97	2.94	3.736 (2)	140
O4—H4⋯O2iii	0.82	2.04	2.768 (2)	148
O4—H4⋯O5	0.82	2.28	2.701 (2)	113

Symmetry codes: (i) -x+1, -y, -z+2; (ii) -x+1, -y+1, -z+1; (iii) -x+1, -y+1, -z+2.