Table 1. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| C10H10O1i | 0.98 | 2.47 | 3.4169(18) | 163 |
| C2H2N1ii | 0.93 | 2.56 | 3.280(2) | 135 |
Symmetry codes: (i) 
; (ii) 
.
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