Table 6. Hydrogen-bond geometry (Å, °) for (4d) .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| N3—H3⋯O4 | 0.900 (18) | 1.916 (18) | 2.7098 (13) | 146.1 (15) |
| C312—H312⋯O3 | 0.95 | 2.37 | 2.9240 (16) | 116 |
| C2—H2⋯O4i | 0.95 | 2.40 | 3.1280 (14) | 133 |
| C316—H316⋯O3ii | 0.95 | 2.44 | 3.3644 (14) | 164 |
Symmetry codes: (i)
; (ii)
.