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Poly[diaqua-tris-(?(4)-1,3-phenyl-ene-diacetato)-dicerium(III)].

ABSTRACT: In the title coordination polymer, [Ce(2)(C(10)H(8)O(4))(3)(H(2)O)(2)](n), each Ce(III) atom is nine-coordinated by eight O atoms from six different 1,3-phenyl-enediacetate (pda) bivalent anions and one O atom from a coordinated water mol-ecule, forming a distorted tricapped trigonal-prismatic coordination geometry. Eight Ce(III) ions and twelve pda ligands form a large [Ce(8)(pda)(12)] ring, and four Ce(III) ions and six pda ligands form a small [Ce(4)(pda)(6)] ring. The rings are further connected by the coordination inter-actions of pda ligands and Ce(III), generating a three-dimensional supra-molecular framework.

SUBMITTER: Gao ZQ

PROVIDER: S-EPMC3052048 | biostudies-literature | 2011 Feb

REPOSITORIES: biostudies-literature

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Poly[diaqua-tris-(μ(4)-1,3-phenyl-ene-diacetato)-dicerium(III)].

Gao Zhu-Qing ZQ Li Hong-Jin HJ Gu Jin-Zhong JZ

Acta crystallographica. Section E, Structure reports online 20110209 Pt 3

In the title coordination polymer, [Ce(2)(C(10)H(8)O(4))(3)(H(2)O)(2)](n), each Ce(III) atom is nine-coordinated by eight O atoms from six different 1,3-phenyl-enediacetate (pda) bivalent anions and one O atom from a coordinated water mol-ecule, forming a distorted tricapped trigonal-prismatic coordination geometry. Eight Ce(III) ions and twelve pda ligands form a large [Ce(8)(pda)(12)] ring, and four Ce(III) ions and six pda ligands form a small [Ce(4)(pda)(6)] ring. The rings are further conne ...[more]

PMID: 21522246

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catena-Poly[[[diaqua-cadmium]-?-2,2'-(1,2-phenyl-enedi-oxy)diacetato] mono-hydrate].

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Poly[diaqua-bis(2,2'-bipyridine)tris-(μ(4)-2,2'-bipyridine-4,4'-dicarboxyl-ato)dineodymium(III)].

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Crystal structure of catena-poly[[di-aqua-cadmium(II)]-μ-3,3'-(1,3-phenyl-ene)diacrylato].

Project description:In the crystal of the title polymeric complex, [Cd(C12H8O4)(H2O)2] n , the Cd(II) cation, located on a twofold rotation axis, is coordinated by two water mol-ecules and chelated by two phenyl-enediacrylate anions (mpda) in a distorted octa-hedral geometry. The mpda anions bridge the Cd(II) cations, forming helical chains propagating along the c-axis direction. The mpba anion has twofold symmetry with two benzene C atoms located on the twofold rotation axis. In the crystal, O-H⋯O hydrogen bonds link the polymeric helical chains into a three-dimensional supra-molecular architecture.

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Poly[[tetra-aqua-bis[?(4)-2,2'-(p-phenyl-ene-di-oxy)diacetato][?(2)-2,2'-(p-phenyl-ene-di-oxy)diacetato]dierbium(III)] hexa-hydrate].

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