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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1⋯Cl1	0.90 (2)	2.41 (2)	3.305 (3)	173 (2)
O1—H2⋯Cl1i	0.87 (3)	2.32 (3)	3.163 (3)	165 (2)
N1—H6⋯Cl1ii	0.893 (18)	2.392 (18)	3.235 (3)	157.5 (15)
N1—H7⋯O1	0.896 (16)	1.835 (16)	2.731 (3)	177.3 (17)
N1—H8⋯Cl1iii	0.883 (16)	2.414 (16)	3.265 (3)	162.8 (15)

Symmetry codes: (i) ; (ii) ; (iii) .