Table 2. Hydrogen-bond geometry (, ) for (II) .
| DHA | DH | HA | D A | DHA |
|---|---|---|---|---|
| N3H2N3N1 | 0.89 | 2.17 | 2.641(14) | 112 |
| N2H1N2S1i | 0.86 | 2.83 | 3.473(11) | 133 |
| N3H1N3S1ii | 0.87 | 2.77 | 3.398(11) | 130 |
Symmetry codes: (i) 
; (ii) 
.
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