Table 1. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| N1H1BCl2 | 0.89 | 2.21 | 3.090(3) | 169 |
| N1H1ACl2i | 0.89 | 2.32 | 3.163(3) | 158 |
Symmetry code: (i) 
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