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

Cg2 is the centroid of the C8–C13 benzene ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N1—H1⋯O1i	0.88	2.15	2.942 (2)	150
C3—I1⋯Cg2ii	2.10 (1)	3.83 (1)	5.816 (2)	156 (1)
C6—H6⋯Cg2iii	0.95	2.81	3.627 (2)	144

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