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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1—H1O1⋯O2i	0.931 (19)	1.712 (19)	2.6406 (9)	175.4 (17)
O2—H1O2⋯N2ii	0.994 (19)	1.646 (19)	2.6297 (10)	169.7 (16)
C3—H3A⋯O1iii	0.93	2.57	3.2987 (10)	136
C9—H9A⋯O1iv	0.93	2.59	3.4287 (10)	150
C12—H12A⋯Cg1ii	0.93	2.67	3.4521 (9)	142

Symmetry codes: (i) ; (ii) ; (iii) ; (iv) . Cg1 is the centroid of the ring C1–C6.