Table 1. Hydrogen-bond geometry (, ).
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| N1H1AO2 | 0.89 | 2.16 | 2.626(12) | 112 |
| O1WH2WO1 | 0.84(17) | 2.6(2) | 3.175(19) | 132 |
| O1WH2WBr2 | 0.84(17) | 2.8(3) | 3.311(19) | 123 |
| N1H1AO1W i | 0.89 | 2.05 | 2.90(2) | 159 |
| N1H1BBr1ii | 0.89 | 2.69 | 3.416(11) | 140 |
| O1WH1WBr2iii | 0.88(16) | 2.7(3) | 3.197(19) | 116 |
Symmetry codes: (i)
; (ii)
; (iii)
.