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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1C⋯Cl3	0.90	2.39	3.2589 (14)	162
N1—H1D⋯O1	0.90	2.12	3.018 (3)	174
N3—H3C⋯Cl3	0.90	2.56	3.3641 (14)	150
N4—H4D⋯Cl3i	0.90	2.36	3.2597 (14)	179
N4—H4C⋯Cl2ii	0.90	2.51	3.3731 (15)	161
N5—H5C⋯Cl3iii	0.90	2.51	3.3605 (15)	158
N5—H5D⋯Cl3i	0.90	2.56	3.3784 (15)	151

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