| [Tb(C6H5NO2)3(H2O)2](ClO4)3·H2O | Z = 2 |
| Mr = 880.65 | F000 = 868 |
| Triclinic, P1 | Dx = 2.068 Mg m−3 |
| Hall symbol: -P 1 | Mo Kα radiation λ = 0.71073 Å |
| a = 9.5270 (4) Å | Cell parameters from 6377 reflections |
| b = 10.9508 (4) Å | θ = 1.7–28.0º |
| c = 15.1309 (6) Å | µ = 2.88 mm−1 |
| α = 104.402 (2)º | T = 296 (2) K |
| β = 91.480 (2)º | Block, colourless |
| γ = 111.159 (2)º | 0.20 × 0.18 × 0.15 mm |
| V = 1414.17 (10) Å3 |