Crystal structure of poly[diaqua-μ2-(E)-5-oxo-4-((5-oxo-1,5-dihydro-4H-1,2,4-triazol-4-yl)diazenyl)-4,5-dihydro-1,2,4-triazol-1-ide-κ³O:O:N) sodium], C4H7N8NaO4.

C4H7N8NaO4, monoclinic, C2/c (no. 15), a = 19.42(2) Å, b = 6.514(5) Å, c = 15.38(1) Å, β = 93.23(2)°, V = 1942.9 Ų, Z = 8, Rgt(F) = 0.0631, wRref(F²) = 0.1660, T = 293 K. [ABSTRACT FROM AUTHOR]