Table 2. Experimental details.
| Crystal data | |
| Chemical formula | [Er2(C6H2O4)3(H2O)6]·18H2O |
| M r | 1181.13 |
| Crystal system, space group | Trigonal, R
|
| Temperature (K) | 296 |
| a, c (Å) | 14.0947 (3), 18.0603 (5) |
| V (Å3) | 3107.18 (13) |
| Z | 3 |
| Radiation type | Mo Kα |
| μ (mm−1) | 4.13 |
| Crystal size (mm) | 0.28 × 0.22 × 0.2 |
| Data collection | |
| Diffractometer | Bruker D8 QUEST CMOS |
| Absorption correction | Multi-scan (SADABS; Bruker, 2016 ▸) |
| T min, T max | 0.677, 0.746 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 32360, 2522, 2108 |
| R int | 0.065 |
| (sin θ/λ)max (Å−1) | 0.758 |
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.023, 0.042, 1.08 |
| No. of reflections | 2522 |
| No. of parameters | 118 |
| No. of restraints | 8 |
| H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
| Δρmax, Δρmin (e Å−3) | 1.67, −1.39 |