Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O5—H51⋯O8 | 0.97 (2) | 1.77 (2) | 2.738 (2) | 177 (2) |
| O5—H52⋯O4iii | 0.902 (17) | 1.846 (17) | 2.7457 (19) | 175 (3) |
| O6—H61⋯O3 | 0.929 (17) | 1.778 (19) | 2.651 (2) | 156 (2) |
| O6—H62⋯O1i | 0.896 (18) | 1.76 (2) | 2.608 (2) | 156 (3) |
| O7—H71⋯O9i | 0.97 (2) | 1.77 (2) | 2.739 (2) | 177.0 (2) |
| O7—H72⋯O2ii | 0.893 (18) | 1.850 (18) | 2.733 (2) | 170 (3) |
| O8—H82⋯O3 | 0.96 (3) | 1.77 (3) | 2.694 (2) | 160 (3) |
| O9—H91⋯O1 | 0.927 (19) | 1.80 (2) | 2.692 (2) | 160 (3) |
| C6—H6⋯Cg2 | 0.93 | 2.91 | 3.764 (2) | 154 |
| C19—H19A⋯Cg2iv | 0.97 | 2.90 | 3.830 (2) | 162 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
; (iv) 
. Cg2 is the centroid of the C13–C18 ring.