Table 7. Hydrogen-bond geometry (Å, °) for 2a.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N11—H01⋯Cl5 | 0.89 (2) | 2.21 (2) | 3.098 (3) | 177 (4) |
| N11—H02⋯Cl5i | 0.88 (2) | 2.32 (3) | 3.145 (3) | 157 (4) |
| N21—H03⋯Cl3 | 0.89 (2) | 2.80 (3) | 3.453 (3) | 131 (3) |
| N21—H04⋯Cl4 | 0.89 (2) | 2.94 (4) | 3.494 (3) | 122 (3) |
| N21—H04⋯Cl5 | 0.89 (2) | 2.43 (3) | 3.144 (3) | 138 (3) |
| N21—H04⋯Cl5ii | 0.89 (2) | 2.81 (4) | 3.239 (3) | 111 (3) |
Symmetry codes: (i)
; (ii)
.