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Poly[?(3)-aqua-?(2)-2,4-dinitro-phenolato-rubidium(I)].

ABSTRACT: The asymmetric unit of the title compound, [Rb(C(6)H(3)N(2)O(5))(H(2)O)](n), comprises a rubidium cation, a 2,4-dinitro-phenoxide anion and a water mol-ecule. The Rb(+) cation is 11-coordinated by O atoms from 2,4-dinitro-phenolate anions and water mol-ecules. The metal centre is firstly coordinated by two ?(3)-H(2)O to form a one-dimensional ladder-shaped unit, [Rb(2)(?(3)-H(2)O)(2)], which is further linked by 2,4-dinitro-phenolate to give the three-dimensional framework of the title compound. The crystal structure involves O-H?O hydrogen bonds.

SUBMITTER: Yang Z

PROVIDER: S-EPMC2915150 | biostudies-literature | 2007 Dec

REPOSITORIES: biostudies-literature

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Poly[μ(3)-aqua-μ(2)-2,4-dinitro-phenolato-rubidium(I)].

Yang Zhangqin Z Hu Mancheng M Wang Xiuhang X

Acta crystallographica. Section E, Structure reports online 20071221 Pt 1

The asymmetric unit of the title compound, [Rb(C(6)H(3)N(2)O(5))(H(2)O)](n), comprises a rubidium cation, a 2,4-dinitro-phenoxide anion and a water mol-ecule. The Rb(+) cation is 11-coordinated by O atoms from 2,4-dinitro-phenolate anions and water mol-ecules. The metal centre is firstly coordinated by two μ(3)-H(2)O to form a one-dimensional ladder-shaped unit, [Rb(2)(μ(3)-H(2)O)(2)], which is further linked by 2,4-dinitro-phenolate to give the three-dimensional framework of the title compound. ...[more]

PMID: 21200571

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Poly[μ-aqua-di-μ-benzoato-lead(II)].

Project description:The reaction of lead(II) nitrate and benzoic acid in aqueous solution yields the title polymer, [Pb(C(7)H(5)O(2))(2)(H(2)O)](n). The asymmetric unit contains one Pb(II) ion, two benzoate ligands and one water mol-ecule. The Pb-O bond distances are in the range 2.494 (4)-2.735 (4) Å. The Pb⋯Pb distance is 4.0683 (4) Å, indicating an insignificant metal-metal inter-action. The Pb(II) atom has a distorted penta-gonal-bipyramidal geometry chelated by two carboxyl-ate O atoms. The Pb atoms are bridged through a coordinating water mol-ecule and two carboxyl-ate O atoms from another two benzoate ligands, giving an infinite three-dimensional supra-molecular structure. O-H⋯O hydrogen-bonding inter-actions involved the coordinating water and carboxyl-ate O atoms enhance the stability of the supra-molecular arrangement.

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