R factor = 0.068; wR factor = 0.207; data-to-parameter ratio = 13.5. In the solid state, the title compound, [Zn(C8H4O4)-(C4H6N2)2]n, exhibits the existence of polymeric zigzag chains extending along the a axis. Each Zn II ion is coordinated by two N atoms [Zn—N = 1.996 (6) and 2.032 (5) A ˚ ] and two O atoms [Zn—O = 1.930 (4) and 1.976 (4) A ˚ ] in a distorted tetrahedral geometry. Weak C—H O interactions contribute to the crystal packing stability. Related literature In the related zinc compound [Zn(isophthalato)(1-H-imidazole)2] (Yang et al., 2002), the Zn II ions also have a distorted tetrahedral environment
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