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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1W—H1W⋯O12	0.83 (6)	2.13 (6)	2.934 (9)	165 (6)
O1W—H2W⋯O11ii	0.74 (6)	2.06 (6)	2.772 (9)	164 (6)
C9—H9⋯O13iii	0.93	2.56	3.389 (7)	148

Symmetry codes: (ii) ; (iii) .