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Poly[(?(4)-benzene-1,3,5-tricarboxyl-ato)bis-(N,N-dimethyl-acetamide)-terbium(III)].

ABSTRACT: The title compound, [Tb(C(9)H(3)O(6))(C(4)H(9)NO)(2)], shows a rare-earth three-dimensional metal-organic framework structure. In this complex of an eight-coordinated Tb(3+) ion, the asymmetric unit contains one benzene-1,3,5-tricarb-oxy-lic ligand and two coordinated dimethyl-acetamide mol-ecules. Each Tb(3+) ion is coordinated by six O atoms from four carboxyl-ate groups of the benzene-1,3,5-tricarb-oxy-lic ligands and two O atoms from two terminal dimethyl-acetamide mol-ecules.

SUBMITTER: Liu K

PROVIDER: S-EPMC3343821 | biostudies-other | 2012 Apr

REPOSITORIES: biostudies-other

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Poly[(μ(4)-benzene-1,3,5-tricarboxyl-ato)bis-(N,N-dimethyl-acetamide)-terbium(III)].

Liu Kun K

Acta crystallographica. Section E, Structure reports online 20120314 Pt 4

The title compound, [Tb(C(9)H(3)O(6))(C(4)H(9)NO)(2)], shows a rare-earth three-dimensional metal-organic framework structure. In this complex of an eight-coordinated Tb(3+) ion, the asymmetric unit contains one benzene-1,3,5-tricarb-oxy-lic ligand and two coordinated dimethyl-acetamide mol-ecules. Each Tb(3+) ion is coordinated by six O atoms from four carboxyl-ate groups of the benzene-1,3,5-tricarb-oxy-lic ligands and two O atoms from two terminal dimethyl-acetamide mol-ecules. ...[more]

PMID: 22589795

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Project description:The asymmetric unit of the polymeric title compound, [Mg(3)(C(9)H(3)O(6))(2)(C(3)H(7)NO)(4)](n), contains three Mg(II) ions bridged by carboxyl-ate O atoms from two fully deprotonated benzene-1,3,5-tricarboxyl-ate (BTC) trianions and four metal-coordinated dimethyl-formamide (DMF) mol-ecules. One Mg(II) ion is octa-hedrally coordinated by six carboxyl-ate O atoms. The other two cations are each octa-hedrally coordinated by four carboxyl-ate O atoms and two O atoms donated by two DMF mol-ecules: in one, the DMF mol-ecules are cis and in the other they are trans. The three Mg(II) octa-hedra form clusters, which are bridged by the BTC trianions, generating a three-dimensional structure.

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