Table 2. Experimental details.
| Crystal data | |
| Chemical formula | [Ni(C6H14N2O)2(H2O)2]Cl2 |
| M r | 426.02 |
| Crystal system, space group | Monoclinic, P21/n |
| Temperature (K) | 298 |
| a, b, c (Å) | 8.6495 (4), 8.6593 (4), 13.1882 (6) |
| β (°) | 107.415 (1) |
| V (Å3) | 942.50 (8) |
| Z | 2 |
| Radiation type | Cu Kα |
| μ (mm−1) | 4.30 |
| Crystal size (mm) | 0.18 × 0.15 × 0.10 |
| Data collection | |
| Diffractometer | Bruker D8 VENTURE diffractometer with PHOTON II detector |
| Absorption correction | Multi-scan (SADABS; Bruker, 2016 ▸) |
| T min, T max | 0.453, 0.622 |
| No. of measured, independent and observed [I > 2σ(I)] reflections | 15220, 1632, 1564 |
| R int | 0.043 |
| (sin θ/λ)max (Å−1) | 0.592 |
| Refinement | |
| R[F 2 > 2σ(F 2)], wR(F 2), S | 0.059, 0.165, 1.08 |
| No. of reflections | 1632 |
| No. of parameters | 143 |
| No. of restraints | 113 |
| H-atom treatment | H atoms treated by a mixture of independent and constrained refinement |
| Δρmax, Δρmin (e Å−3) | 0.70, −0.39 |