Abstract
In the title complex, [Cu(C9H4O6)(H2O)3]n, the CuII cation exhibits a distorted square-pyramidal coordination geometry involving five O atoms from two monodentate 5-carboxybenzene-1,3-dicarboxylate anions and three water molecules. The 5-carboxybenzene-1,3-dicarboxylate anions bridge CuII cations into zigzag polymeric chains running along the b-axis direction. These chains are further linked by O—H⋯O hydrogen bonds between coordinating water molecules or carboxyl groups and carboxylate groups into a three-dimensional supramolecular architecture. In the crystal, π–π stacking is observed between parallel benzene rings of adjacent chains, the centroid–centroid distances being 3.584 (3) and 3.684 (3) Å.
Highlights
Air Force Service College, Xuzhou 221000, People’s Republic of China, and Logistics College, Beijing 100858, People’s Republic of China
H atoms treated by a mixture of independent and constrained refinement max = 0.42 e Å3
Cations into zigzag polymeric chains running along the b-axis direction. These chains are further linked by O—H O
Summary
H atoms treated by a mixture of independent and constrained refinement max = 0.42 e Å3. R factor = 0.040; wR factor = 0.083; data-to-parameter ratio = 10.1. In the title complex, [Cu(C9H4O6)(H2O)3]n, the CuII cation exhibits a distorted square-pyramidal coordination geometry involving five O atoms from two monodentate 5-carboxybenzene-1,3-dicarboxylate anions and three water molecules. The 5-carboxybenzene-1,3-dicarboxylate anions bridge CuII cations into zigzag polymeric chains running along the b-axis direction. These chains are further linked by O—H O hydrogen bonds between coordinating water molecules or carboxyl groups and carboxylate groups into a three-dimensional supramolecular architecture. Stacking is observed between parallel benzene rings of adjacent chains, the centroid–centroid distances being.
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