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

D—H⋯A	D—H	H⋯A	D⋯A	D—H⋯A
O1A—H1A⋯O1Di	0.86 (3)	1.94 (3)	2.7890 (18)	171 (2)
O1B—H1B⋯O1A	0.84 (3)	1.95 (3)	2.761 (2)	162 (3)
O1C—H1C⋯O1B	0.91 (3)	1.76 (3)	2.6648 (18)	177 (2)
O1D—H1D⋯O1C	0.87 (3)	1.93 (3)	2.7747 (18)	163 (2)

Symmetry code: (i) .