Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N2_1—H2A_1⋯O5_1i | 0.90 (2) | 1.96 (2) | 2.862 (3) | 176 (2) |
| N2_1—H2B_1⋯O1_1ii | 0.90 (2) | 2.20 (2) | 2.916 (2) | 136 (2) |
| N2_1—H2B_1⋯O4_2iii | 0.90 (2) | 2.32 (2) | 2.924 (2) | 125 (2) |
| N2_1—H2C_1⋯O5_2iv | 0.90 (2) | 1.95 (2) | 2.838 (3) | 168 (2) |
| O5_1—H5A_1⋯N1_2 | 0.84 (2) | 1.91 (2) | 2.751 (2) | 176 (3) |
| O5_1—H5B_1⋯O1_2 | 0.83 (2) | 2.21 (2) | 2.986 (2) | 156 (3) |
| N2_2—H2A_2⋯O5_1iv | 0.92 (2) | 1.92 (2) | 2.839 (3) | 173 (2) |
| N2_2—H2B_2⋯O4_1iii | 0.91 (2) | 2.42 (2) | 3.079 (3) | 130 (2) |
| N2_2—H2B_2⋯O1_2iii | 0.91 (2) | 2.19 (2) | 2.979 (2) | 144 (2) |
| N2_2—H2C_2⋯O5_2iv | 0.90 (2) | 1.98 (2) | 2.872 (3) | 177 (2) |
| O5_2—H5A_2⋯N1_1 | 0.83 (2) | 1.93 (2) | 2.761 (2) | 175 (3) |
| O5_2—H5B_2⋯O1_1 | 0.83 (2) | 2.09 (2) | 2.874 (2) | 160 (3) |
Symmetry codes: (i)
; (ii)
; (iii)
; (iv)
.