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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
C2—H2A⋯O2i	0.97	2.49	3.419 (3)	161
C5—H5C⋯O2ii	0.96	2.54	3.481 (3)	168

Symmetry codes: (i) ; (ii) .