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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1C⋯O1	0.90	2.12	2.960 (3)	155
N1—H1D⋯Cl2	0.90	2.43	3.317 (2)	170
N2—H2C⋯Cl3i	0.90	2.57	3.462 (2)	172
N2—H2D⋯Cl3	0.90	2.44	3.3196 (19)	164
N3—H3C⋯O1	0.90	2.04	2.880 (3)	155
N3—H3D⋯Cl3	0.90	2.50	3.3041 (18)	149
N4—H4C⋯Cl3ii	0.90	2.65	3.486 (2)	155
N4—H4D⋯Cl2	0.90	2.45	3.348 (2)	177
N5—H5C⋯Cl3i	0.90	2.49	3.359 (2)	162
N5—H5D⋯Cl3ii	0.90	2.37	3.2649 (19)	172
O1—H1E⋯Cl2iii	0.82 (4)	2.29 (4)	3.093 (3)	168 (4)
O1—H1F⋯Cl2iv	0.87 (4)	2.25 (4)	3.112 (3)	174 (3)

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