[Ni(C16H13ClN2O3)(C3H4N2)]	Dx = 1.530 Mg m−3
Mr = 443.52	Mo Kα radiation, λ = 0.71073 Å
Tetragonal, I41/a	Cell parameters from 5154 reflections
a = 30.879 (4) Å	θ = 2.6–25.1°
c = 8.0750 (16) Å	µ = 1.18 mm−1
V = 7700 (3) Å3	T = 295 K
Z = 16	Block, brown
F(000) = 3648	0.35 × 0.25 × 0.16 mm