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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C5—H5⋯O2iii	0.93	2.59	3.365 (3)	141
C6—H61⋯O2iv	0.97	2.48	3.416 (5)	161

Symmetry codes: (iii) ; (iv) .