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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C3—H3⋯N2i	0.95	2.58	3.434 (4)	149
C1—H1B⋯N2ii	0.98	2.71	3.513 (4)	140
C1—H1A⋯I1iii	0.98	3.04	3.999 (3)	166
C1—H1C⋯I1iv	0.98	3.06	3.870 (3)	141
C2—H2⋯I1v	0.95	2.99	3.796 (3)	144
C5—H5⋯I1vi	0.95	2.94	3.839 (3)	158
C6—H6⋯I1iii	0.95	3.01	3.916 (3)	161

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