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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1A⋯N9i	0.86	2.44	3.219 (6)	152
N1—H1B⋯S2	0.86	2.73	3.426 (5)	140
N2—H2⋯I1ii	0.86	2.80	3.526 (5)	143
N3—H3B⋯S3iii	0.86	2.95	3.692 (5)	145
N4—H4A⋯S2iv	0.86	2.72	3.446 (4)	142
N4—H4B⋯N6v	0.86	2.38	3.225 (6)	167
N5—H5⋯S1	0.86	2.79	3.424 (4)	132
N6—H6A⋯N4iv	0.86	2.52	3.225 (6)	139
N7—H7B⋯I1vi	0.86	3.15	3.620 (4)	117
N8—H8⋯S1vii	0.86	2.68	3.499 (4)	161
N9—H9B⋯I1viii	0.86	2.98	3.608 (5)	132

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