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Poly[[aqua-(?(5)-3,4,5,6-tetra-carb-oxy-cyclo-hexane-1,2-dicarboxyl-ato)strontium] monohydrate].

ABSTRACT: In the title compound, {[Sr(C(12)H(10)O(12))(H(2)O)]·H(2)O}(n), the Sr(II) ion is coordinated by six O atoms of five symmetry-related 3,4,5,6-tetra-carb-oxy-cyclo-hexane-1,2-dicarboxyl-ate ligands and one water mol-ecule in a slightly distorted monocapped trigonal-prismatic environment. The ligands bridge the Sr(II) ions, forming a two-dimensional structure. In the crystal, O-H?O hydrogen bonds further connect the structure into a three-dimensional network. The H atoms of two of the carboxyl groups were refined as half-occupancy.

SUBMITTER: Cheng PC

PROVIDER: S-EPMC3238780 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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Poly[[aqua-(μ(5)-3,4,5,6-tetra-carb-oxy-cyclo-hexane-1,2-dicarboxyl-ato)strontium] monohydrate].

Cheng Pei-Chi PC Zhan Jun-Xiang JX Wu Cheng-You CY Lin Chia-Her CH

Acta crystallographica. Section E, Structure reports online 20111130 Pt 12

In the title compound, {[Sr(C(12)H(10)O(12))(H(2)O)]·H(2)O}(n), the Sr(II) ion is coordinated by six O atoms of five symmetry-related 3,4,5,6-tetra-carb-oxy-cyclo-hexane-1,2-dicarboxyl-ate ligands and one water mol-ecule in a slightly distorted monocapped trigonal-prismatic environment. The ligands bridge the Sr(II) ions, forming a two-dimensional structure. In the crystal, O-H⋯O hydrogen bonds further connect the structure into a three-dimensional network. The H atoms of two of the carboxyl gro ...[more]

PMID: 22199657

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Poly[μ(2)-aqua-aqua-μ(4)-pyridine-2,4-dicarboxyl-ato-strontium].

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catena-Poly[[[aqua-(1,10-phenanthro-line)manganese(II)]-μ-adamantane-1,3-dicarboxyl-ato] monohydrate].

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| S-EPMC3246965 | biostudies-literature

Bis-(μ-pyridine-2,3-dicarboxyl-ato)bis-[aqua-(3-carb-oxy-pyridine-2-carboxyl-ato)indium(III)] tetra-hydrate.

Project description:In the binuclear centrosymmetric title compound, [In(2)(C(7)H(3)NO(4))(2)(C(7)H(4)NO(4))(2)(H(2)O)(2)]·4H(2)O, which contains both pyridine-2,3-dicarboxyl-ate and 3-carb-oxy-pyridine-2-carboxyl-ate ligands, the In(III) atom is six-coordinated in a distorted octa-hedral geometry. One pyridine ligand is N,O-chelated while the other is N,O-chelated and at the same time bridging to the other via the second carboxyl group. In the crystal, an extensive O-H⋯O hydrogen-bonding network, involving the coordinated and lattice water mol-ecules and the carboxyl groups of the ligands, together with C-H⋯O and π-π inter-actions [centroid-centroid distance = 3.793 (1) Å], leads to the formation of a three-dimensional structure.

| S-EPMC3254334 | biostudies-literature

Poly[[μ(2)-1,2-bis-(imidazol-1-ylmeth-yl)benzene](μ(2)-cyclo-hexane-1,4-dicarboxyl-ato)cobalt(II)].

Project description:In the the title compound, [Co(C(8)H(10)O(4))(C(14)H(14)N(4))](n), the Co(II) atom is four-coordinated by two N atoms from two different 1,2-bis-(imidazol-1-ylmeth-yl)benzene ligands and two carboxyl-ate O atoms from two different cyclo-hexane-1,4-dicarboxyl-ate anions in a tetra-hedral coordination geometry. The resulting structure is a two-dimensional polymer with layers in the (100) plane.

| S-EPMC2983598 | biostudies-literature

catena-Poly[diaqua-(cis-cyclo-hexane-1,2-dicarboxyl-ato)cadmium].

Project description:In the title polymer, [Cd(C(8)H(10)O(4))(H(2)O)(2)](n), the Cd(II) cation is coordinated by five carboxyl-ate O atoms from three different cyclo-hexane-1,2-dicarboxyl-ate anions and two O atoms from two water mol-ecules, displaying a distorted CdO(7) pentagonal-bipyramidal geometry. Each anion acts as a μ(3)-bridge, linking symmetry-related Cd(II) ions into a layer parallel to (010). In the crystal, numerous O-H⋯O and C-H⋯O hydrogen bonds occur. The coordinated water mol-ecules and carboxyl-ate O atoms act as donors or acceptors in the formation of these hydrogen-bonding inter-actions.

| S-EPMC3247538 | biostudies-literature

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