Table 2. Hydrogen-bond geometry (Å, °).
X = Br, Cl.
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H1⋯X1 | 0.87 (1) | 2.49 (2) | 3.260 (3) | 148 (4) |
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