Table 2. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O3—H18⋯O11i | 0.96 (2) | 2.11 (3) | 3.048 (7) | 164 (5) |
| O3—H18⋯O12i | 0.96 (2) | 2.30 (4) | 3.084 (6) | 138 (5) |
| O3—H18⋯N8i | 0.96 (2) | 2.53 (2) | 3.471 (6) | 167 (5) |
| O3—H19⋯O9ii | 0.95 (2) | 1.85 (2) | 2.777 (5) | 165 (5) |
| N3—H20⋯O1 | 0.95 (2) | 2.53 (7) | 3.014 (6) | 112 (5) |
| N3—H21⋯O12 | 0.97 (2) | 2.44 (7) | 3.150 (7) | 130 (7) |
| N7—H22⋯O6 | 0.96 (2) | 2.35 (4) | 3.131 (6) | 138 (5) |
| N7—H23⋯N3 | 0.95 (2) | 2.43 (5) | 3.196 (7) | 138 (5) |
| N7—H23⋯O7 | 0.95 (2) | 2.59 (6) | 3.091 (5) | 113 (5) |
| O9—H24⋯O6iii | 0.84 | 1.89 | 2.731 (5) | 174 |
| O9—H24⋯N4iii | 0.84 | 2.57 | 3.367 (6) | 158 |
| O9—H24⋯O5iii | 0.84 | 2.56 | 3.171 (6) | 130 |
Symmetry codes: (i) 
; (ii) 
; (iii) 
.