Table 3. Hydrogen-bond geometry (Å, °) for (NH4)2(tiron)·H2O .
| D—H⋯A | D—H | H⋯A | D⋯A | D—H⋯A |
|---|---|---|---|---|
| O1—H1⋯O5i | 0.84 | 2.47 | 2.974 (4) | 119 |
| O1—H1⋯O8 | 0.84 | 2.06 | 2.790 (4) | 146 |
| O2—H2⋯O9ii | 0.84 | 1.99 | 2.830 (5) | 174 |
| O9—H9A⋯O3iii | 0.85 (2) | 2.03 (2) | 2.871 (5) | 171 (5) |
| O9—H9B⋯O4 | 0.86 (2) | 1.97 (2) | 2.831 (4) | 174 (5) |
| N1—H1A⋯O4iv | 0.95 (2) | 2.13 (3) | 2.980 (5) | 148 (3) |
| N1—H1A⋯O8iii | 0.95 (2) | 2.30 (4) | 2.907 (5) | 121 (3) |
| N1—H1B⋯O5v | 0.95 (2) | 2.11 (2) | 2.996 (5) | 155 (3) |
| N1—H1C⋯O1vi | 0.95 (2) | 2.03 (3) | 2.850 (5) | 143 (3) |
| N1—H1C⋯O2vi | 0.95 (2) | 2.63 (3) | 3.470 (5) | 147 (3) |
| N1—H1D⋯O3i | 0.96 (2) | 2.41 (4) | 2.891 (5) | 111 (3) |
| N1—H1D⋯O7 | 0.96 (2) | 2.02 (3) | 2.847 (5) | 143 (3) |
| N2—H2A⋯O9 | 0.97 (2) | 1.95 (2) | 2.917 (5) | 174 (3) |
| N2—H2B⋯O7 | 0.97 (2) | 1.87 (2) | 2.834 (5) | 171 (3) |
| N2—H2C⋯O6iii | 0.95 (2) | 2.03 (3) | 2.901 (5) | 152 (3) |
| N2—H2C⋯O7vii | 0.95 (2) | 2.60 (3) | 3.215 (5) | 123 (3) |
| N2—H2D⋯O3viii | 0.96 (2) | 2.45 (4) | 3.025 (5) | 119 (3) |
| N2—H2D⋯O4viii | 0.96 (2) | 1.99 (2) | 2.916 (5) | 161 (3) |
| N2—H2D⋯O8vii | 0.96 (2) | 2.60 (4) | 3.113 (5) | 114 (3) |
Symmetry codes: (i)
; (ii)
; (iii)
; (iv)
; (v)
; (vi)
; (vii)
; (viii)
.