Table 1. Hydrogen-bond geometry (Å, °).
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N1—H11⋯I2 | 0.77 (3) | 2.81 (3) | 3.283 (4) | 122 (3) |
| N1—H12⋯N1i | 0.80 (4) | 2.30 (4) | 3.106 (5) | 180 (5) |
Symmetry code: (i) 
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