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

Cg1 is the centroid of the C1–C6 benzene ring.

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2A⋯N1i	0.972 (19)	1.828 (19)	2.7615 (12)	160.1 (16)
C5—H5⋯O2ii	0.973 (13)	2.431 (14)	3.1121 (14)	126.7 (10)
C12—H11⋯Cg1ii	1.004 (14)	2.986 (15)	3.9882 (12)	178.7 (19)

Symmetry codes: (i) -x+{\script{1\over 2}}, y-{\script{1\over 2}}, -z+{\script{1\over 2}}; (ii) -x+{\script{1\over 2}}, y+{\script{3\over 2}}, -z+{\script{1\over 2}}.