Table 6. Hydrogen-bond geometry (Å, °) for 1.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N11—H02⋯Br3 | 0.95 (3) | 2.36 (3) | 3.300 (4) | 169 (4) |
| N11—H01⋯Br3ii | 0.95 (3) | 2.52 (4) | 3.281 (4) | 137 (4) |
Symmetry code: (ii) 
.
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