Table 2. Hydrogen-bond geometry (Å, °).

Cg3 and Cg9 are the centroids of the C5A–C8A/C4AA/C8AA and C5B–C8B/C4AB/C8AB rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1A—H1A⋯Cl2	0.89 (2)	2.44 (2)	3.2659 (8)	155.9 (19)
N1B—H1B⋯Cl1i	0.83 (2)	2.352 (19)	3.1661 (7)	166.6 (18)
C11A—H11A⋯Cg9ii	0.99	2.67	3.5718 (10)	151
C12B—H12D⋯Cg3iii	0.99	2.57	3.4002 (10)	142

Symmetry codes: (i) -x+{\script{1\over 2}}, y-{\script{1\over 2}}, -z+{\script{1\over 2}}; (ii) -x+1, -y, -z; (iii) x+{\script{1\over 2}}, -y+{\script{1\over 2}}, z+{\script{1\over 2}}.