Table 1. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| N1H01O3i | 0.94(4) | 1.81(4) | 2.729(3) | 166(3) |
| O3H3Cl3 | 0.67(4) | 2.54(4) | 3.169(2) | 158(4) |
Symmetry code: (i) 
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