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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H30⋯Cl1i	0.81 (4)	2.37 (4)	3.168 (3)	171 (4)
O1—H31⋯Cl1	0.78 (4)	2.44 (4)	3.219 (3)	174 (5)
N1—H1A⋯O1ii	0.89	1.82	2.705 (4)	171
N1—H1B⋯Cl1iii	0.89	2.29	3.167 (2)	169
N1—H1C⋯Cl1iv	0.89	2.30	3.189 (3)	173

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