[NaNi(C18H18N2O4)(C2N3)(H2O)]	F(000) = 1016
Mr = 492.11	Dx = 1.490 Mg m−3
Monoclinic, P21/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -P 2ybc	Cell parameters from 3120 reflections
a = 7.4654 (14) Å	θ = 2.5–24.6°
b = 22.745 (4) Å	µ = 0.95 mm−1
c = 13.177 (3) Å	T = 293 K
β = 101.282 (4)°	Block, orange
V = 2194.2 (8) Å3	0.14 × 0.13 × 0.11 mm
Z = 4