[Co(C5H7O2)2(NO2)(C5H5N)]	F(000) = 396
Mr = 382.25	Dx = 1.499 Mg m−3
Monoclinic, Cm	Mo Kα radiation, λ = 0.71073 Å
a = 8.1971 (14) Å	Cell parameters from 2813 reflections
b = 13.942 (2) Å	θ = 2.8–27.4°
c = 7.4148 (11) Å	µ = 1.05 mm−1
β = 91.588 (6)°	T = 301 K
V = 847.1 (2) Å3	Plate, dark red
Z = 2	0.31 × 0.27 × 0.13 mm