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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O1	0.82 (4)	2.03 (4)	2.755 (3)	147 (3)
N1—H1⋯I1	0.82 (4)	2.85 (4)	3.320 (2)	119 (3)
O1—H1A⋯O2	0.84 (1)	1.975 (12)	2.807 (3)	173 (5)
O1—H1B⋯Cl1i	0.83 (1)	2.75 (3)	3.382 (3)	134 (4)
O2—H2A⋯Cl1	0.84 (1)	2.435 (16)	3.237 (2)	160 (3)
O2—H2B⋯Cl1ii	0.84 (1)	2.379 (12)	3.211 (2)	170 (3)

Symmetry codes: (i) ; (ii) .