Table 10. Hydrogen-bond geometry (Å, °) for 3.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N11—H01⋯Cl9 | 0.91 (2) | 2.41 (2) | 3.270 (3) | 157 (3) |
| N11—H02⋯Cl2 | 0.92 (2) | 2.98 (3) | 3.479 (3) | 116 (2) |
| N11—H02⋯Cl10 | 0.92 (2) | 2.58 (2) | 3.465 (3) | 164 (3) |
| N21—H03⋯Cl3 | 0.91 (2) | 2.82 (3) | 3.317 (3) | 116 (3) |
| N21—H03⋯Cl5 | 0.91 (2) | 2.72 (3) | 3.402 (3) | 133 (3) |
| N21—H03⋯Cl6i | 0.91 (2) | 2.79 (2) | 3.547 (3) | 142 (3) |
| N21—H04⋯Cl2 | 0.91 (2) | 2.83 (3) | 3.566 (3) | 139 (3) |
| N21—H04⋯Cl10 | 0.91 (2) | 2.63 (3) | 3.371 (3) | 139 (3) |
| N31—H05⋯Cl3 | 0.91 (2) | 2.92 (3) | 3.569 (3) | 130 (3) |
| N31—H05⋯Cl9 | 0.91 (2) | 2.83 (3) | 3.538 (3) | 136 (3) |
| N31—H06⋯Cl8 | 0.91 (2) | 2.54 (2) | 3.406 (3) | 161 (3) |
Symmetry code: (i) 
.