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

Cg1 and Cg3 are the centroids of the C12–C17 and C1–C6 benzene rings, respectively.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
N2—HN1⋯OW1i	0.89 (2)	1.94 (2)	2.817 (3)	167 (2)
N2—HN2⋯O1	0.93 (2)	1.80 (2)	2.724 (3)	174 (2)
OW1—HW1⋯O2	0.88 (3)	1.75 (3)	2.630 (3)	178 (4)
OW1—HW2⋯O1ii	0.91 (3)	1.89 (3)	2.789 (3)	167 (3)
C9—H9A⋯OW1	0.97	2.52	3.308 (3)	138
C1—H1⋯Cg1iii	0.93	2.91	3.607 (3)	133
C5—H5⋯Cg1iv	0.93	2.79	3.570 (3)	142
C18—H18B⋯Cg3v	0.97	2.88	3.737 (4)	148

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