Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O1—H1o⋯N8i | 0.84 (4) | 1.92 (1) | 2.755 (5) | 171 (5) |
| O1—H1o⋯N8′i | 0.84 (4) | 1.97 (1) | 2.798 (5) | 171 (5) |
| O2—H2o⋯N7 | 0.84 (4) | 1.93 (1) | 2.768 (5) | 172 (4) |
| O2—H2o⋯N7′ | 0.84 (4) | 1.93 (1) | 2.766 (5) | 178 (4) |
| O3—H3o⋯N10ii | 0.84 (4) | 1.91 (1) | 2.751 (5) | 178 (5) |
| O3—H3o⋯N10′ii | 0.84 (4) | 1.90 (1) | 2.736 (5) | 172 (5) |
| O4—H4o⋯N11 | 0.84 (4) | 1.90 (1) | 2.735 (4) | 174 (4) |
| O1w—H1w1⋯O4 | 0.84 (3) | 2.04 (2) | 2.843 (4) | 160 (5) |
| O1w—H1w2⋯N9 | 0.84 (3) | 1.94 (1) | 2.782 (5) | 175 (7) |
| O1w—H1w2⋯N9′ | 0.84 (3) | 1.91 (3) | 2.722 (5) | 160 (7) |
| N2—H2n⋯O1w | 0.88 (3) | 1.88 (1) | 2.757 (4) | 175 (4) |
Symmetry codes: (i) 
; (ii) 
.