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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N3A—H3NA⋯S2Bi	0.894 (19)	2.46 (2)	3.3494 (11)	177.7 (18)
N3B—H3NB⋯S2Aii	0.84 (2)	2.45 (2)	3.2728 (12)	167.7 (19)
C5A—H5AA⋯S2A	0.93	2.50	3.2311 (12)	135
C8B—H8BA⋯N4Aiii	0.96	2.59	3.5503 (16)	175
C5B—H5BA⋯Cg1iv	0.93	2.91	3.4955 (12)	122

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