| [Ni(C12H18N3S)]Cl | F(000) = 688 |
| Mr = 330.51 | Dx = 1.571 Mg m−3 |
| Monoclinic, P21/n | Mo Kα radiation, λ = 0.71075 Å |
| a = 7.8601 (14) Å | Cell parameters from 4130 reflections |
| b = 9.8884 (17) Å | θ = 3.1–27.5° |
| c = 18.190 (3) Å | µ = 1.71 mm−1 |
| β = 98.677 (3)° | T = 153 K |
| V = 1397.6 (4) Å3 | Prism, red |
| Z = 4 | 0.11 × 0.06 × 0.04 mm |