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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O2—H2O⋯O1i	0.95 (3)	1.71 (3)	2.649 (2)	169 (2)
C10—H10a⋯O1i	0.94 (2)	2.34 (3)	3.235 (2)	159 (2)

Symmetry code: (i) .