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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1A—H11⋯Cl2i	0.86	2.45	3.296 (2)	170
N1A—H12⋯Cl1	0.86	2.45	3.304 (2)	170
N1B—H21⋯Cl2ii	0.86	2.59	3.448 (2)	174
N1B—H22⋯O1iii	0.86	2.02	2.882 (3)	177
N2A—H2C⋯Cl2	0.86	2.29	3.1113 (18)	160
N2B—H2D⋯Cl1ii	0.86	2.35	3.1615 (19)	157
N3A—H3C⋯Cl1i	0.86	2.36	3.1900 (17)	162
O1—H1A⋯Cl2iv	0.93 (2)	2.21 (2)	3.1329 (19)	178 (3)
O1—H1B⋯Cl1v	0.95 (2)	2.21 (2)	3.147 (2)	170 (3)

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