The crystal structure of poly[( μ ₂ -3,5-bis(4-pyridyl)-1,2,4-triazole κ ² N : N ′ )-( μ ₂ -3-nitrophthalato- κ ³ O , O ′: O ′′]zinc(II), C ₂₀ H ₁₂ N ₆ O ₆ Zn

C 20 H 12 N 6 O 6 Zn, monoclinic, P 2 1 / c , a = 7.4858(3) Å, b = 11.7954(4) Å, c = 22.6888(7) Å, α = 90°, β = 96.890(3)°, γ = 90°, V = 1988.91(12) Å 3 , Z = 4, R gt ( F ) = 0.0953, wR ref ( F 2 ) = 0.1004, T = 293(2) K.