[Co(C5H7O2)2(NO2)(C5H5NO)]·H2O	Dx = 1.493 Mg m−3
Mr = 416.27	Mo Kα radiation, λ = 0.71073 Å
Orthorhombic, Pnma	Cell parameters from 9558 reflections
a = 12.3811 (4) Å	θ = 2.4–27.9°
b = 14.0483 (5) Å	µ = 0.97 mm−1
c = 10.6443 (3) Å	T = 301 K
V = 1851.40 (10) Å3	Needle, dark red
Z = 4	0.35 × 0.11 × 0.08 mm
F(000) = 864