[Zn(C3H4N2)4](C7H3N2O7)2	F(000) = 1616
Mr = 791.93	Dx = 1.664 Mg m−3
Monoclinic, C2/c	Mo Kα radiation, λ = 0.71073 Å
Hall symbol: -C 2yc	Cell parameters from 3242 reflections
a = 25.0809 (15) Å	θ = 2.1–26.9°
b = 6.7251 (4) Å	µ = 0.87 mm−1
c = 18.9145 (10) Å	T = 293 K
β = 97.658 (6)°	Platelet, yellow
V = 3161.9 (3) Å3	0.20 × 0.18 × 0.10 mm
Z = 4