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Poly[diaqua-?(2)-oxalato-di-?(4)-terephthalato-diytterbium(III)].

ABSTRACT: The crystal structure of the title complex, [Yb(2)(C(8)H(4)O(4))(2)(C(2)O(4))(H(2)O)(2)](n), features an extended three-dimensional framework made up of Yb(3+) ions coordinated by terephthalate ligands, oxalate ligands and water mol-ecules. The Yb(3+) ion has a distorted square-anti-prismatic coordination formed by one aqua ligand, two O atoms from an oxalate ligand and five O atoms belonging to four terephthalate anions. Two symmetry-independent terephthalate anions, as well as the oxalate anion, occupy special positions on inversion centers. The water molecule participates in O-H?O hydrogen bonding with both terephthalate anions.

SUBMITTER: Wang CX

PROVIDER: S-EPMC3008045 | biostudies-literature | 2010

REPOSITORIES: biostudies-literature

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Poly[diaqua-μ(2)-oxalato-di-μ(4)-terephthalato-diytterbium(III)].

Wang Chun-Xiang CX Li Zhi-Feng ZF

Acta crystallographica. Section E, Structure reports online 20100825 Pt 9

The crystal structure of the title complex, [Yb(2)(C(8)H(4)O(4))(2)(C(2)O(4))(H(2)O)(2)](n), features an extended three-dimensional framework made up of Yb(3+) ions coordinated by terephthalate ligands, oxalate ligands and water mol-ecules. The Yb(3+) ion has a distorted square-anti-prismatic coordination formed by one aqua ligand, two O atoms from an oxalate ligand and five O atoms belonging to four terephthalate anions. Two symmetry-independent terephthalate anions, as well as the oxalate anio ...[more]

PMID: 21588553

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