Abstract
The three-dimensional coordination polymer, [Eu2(C6H2O4S)3(H2O)4]n, has been synthesized under hydrothermal conditions. The asymmetric unit comprises one Eu3+ cation, two aqua ligands and one and a half thiophene-2,5-dicarboxylate anions (the half-anion being completed by a twofold rotation axis). The Eu3+ cation is eight-coordinated in a distorted dodecahedral geometry. The crystal structure features O—H⋯O hydrogen bonds.
Highlights
The three-dimensional coordination polymer, [Eu2(C6H2O4S)3(H2O)4]n, has been synthesized under hydrothermal conditions
The asymmetric unit comprises one Eu3+ cation, two aqua ligands and one and a half thiophene-2,5dicarboxylate anions
The Eu3+ cation is eight-coordinated in a distorted dodecahedral geometry
Summary
Xi-Gang Du,a* Jun Zhanga and Jia-Jia Lib a School of Chemical Engineering and Pharmaceutics, Henan University of Science and Technology, Luoyang 471003, People’s Republic of China, and bDepartment of Chemistry, Zhengzhou University, Zhengzhou 450001, People’s Republic of China. R factor = 0.035; wR factor = 0.090; data-to-parameter ratio = 14.6. The three-dimensional coordination polymer, [Eu2(C6H2O4S)3(H2O)4]n, has been synthesized under hydrothermal conditions. The asymmetric unit comprises one Eu3+ cation, two aqua ligands and one and a half thiophene-2,5dicarboxylate anions (the half-anion being completed by a twofold rotation axis). The Eu3+ cation is eight-coordinated in a distorted dodecahedral geometry. The crystal structure features O—H O hydrogen bonds
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