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Figure 4 π–π Stacking interaction between two aromatic rings of (pydc)2− units, with centorid–centroid distance of 3.4825 (8) Å ( − x, − + y, − + z); C–O⋯π Stacking interactions between C=O groups of carboxylate and the aromatic rings of pyridine-2,6-dicarboxylate with O⋯π distances of 3.1563 (12) Å for C13—O5⋯Cg1 ( − x, + y, − + z) and 3.2523 (12) Å for C6—O1⋯Cg2 ( − x, − + y, + z) [Cg1 and Cg2 are the centroids for rings N1/C1–C5 and N2/C8–C12, respectively]. |