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Hydrogen-bond geometry in the crystal of compound 4 (Å, °)
| D—H···A | D—H | H···A | D···A | D—H···A |
|---|---|---|---|---|
| N1—H1A···N2i |
0cxx.86 |
2.10 |
2.831 (8) |
142 |
| O2—H2A···O1ii | 0.82 | 1.92 | 2.698 (5) | 159 |
*Symmetry codes: (i) − x + 1, y + 1/2, −z + 2; (ii) − x + 1, y − 1/2, −z + 2.
