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Poly[[aqua-tri-?(3)-hydroxido-(?(4)-2-phos-phon-ato-ethane-sulfonato)-dierbium(III)] monohydrate].

ABSTRACT: The crystal structure of the title compound, {[Er(2)(C(2)H(4)O(6)PS)(OH)(3)(H(2)O)]·H(2)O}(n), consists of two Er(3+) ions, one (C(2)H(4)O(6)PS)(3-) ion, three OH(-) ions, and two water mol-ecule. The Er(3+) ions form ErO(8) polyhedra., which are connected by ?- and ?(3)-O atoms. Thus, inorganic Er-O-Er layers of edge- and face-sharing polyhedra are observed. Whereas most often in metal phosphono-sulfonates the organic linker bridges adjacent layers, in the title compound, the (O(3)PC(2)H(4)SO(3))(3-) anion is only connected to one Er-O-Er layer. Short interatomic O?O distances [2.898?(8), 2.997?(14) and 2.768?(10)?Å] indicate hydrogen bonding between the layers. The noncoordinated water mol-ecules are located between the layers.

SUBMITTER: Sonnauer A

PROVIDER: S-EPMC2959643 | biostudies-literature | 2008 Oct

REPOSITORIES: biostudies-literature

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Poly[[aqua-tri-μ(3)-hydroxido-(μ(4)-2-phos-phon-ato-ethane-sulfonato)-dierbium(III)] monohydrate].

Sonnauer Andreas A Stock Norbert N

Acta crystallographica. Section E, Structure reports online 20081018 Pt 11

The crystal structure of the title compound, {[Er(2)(C(2)H(4)O(6)PS)(OH)(3)(H(2)O)]·H(2)O}(n), consists of two Er(3+) ions, one (C(2)H(4)O(6)PS)(3-) ion, three OH(-) ions, and two water mol-ecule. The Er(3+) ions form ErO(8) polyhedra., which are connected by μ- and μ(3)-O atoms. Thus, inorganic Er-O-Er layers of edge- and face-sharing polyhedra are observed. Whereas most often in metal phosphono-sulfonates the organic linker bridges adjacent layers, in the title compound, the (O(3)PC(2)H(4)SO(3 ...[more]

PMID: 21580876

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Poly[[diaqua-μ(2)-hydroxido-(μ(7)-2-phos-pho-nato-ethane-sulfonato)-dicopper(II)] trihydrate].

Project description:The crystal structure of the title compound, [Cu(2)(C(2)H(4)O(6)PS)(OH)(H(2)O)(2)]·3H(2)O, consists of two Cu(2+) ions, one (O(3)PC(2)H(4)SO(3))(3-) ion and one OH(-) ion, as well as five water mol-ecules, two of which are coordinated to Cu(2+). The Cu(2+) ions are coordinated by six O atoms. The CuO(6) polyhedra are connected by μ- and μ(3)-O atoms into zigzag chains along the b axis. These chains are further connected by -CH(2)CH(2)- groups to form layers, in turn building a three-dimensional framework via hydrogen bonding.

| S-EPMC2959580 | biostudies-literature

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| S-EPMC3011513 | biostudies-literature

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| S-EPMC3009297 | biostudies-literature

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| S-EPMC3099957 | biostudies-literature

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| S-EPMC3246965 | biostudies-literature

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| S-EPMC2960170 | biostudies-literature

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Project description:The title compound, (C(10)H(10)N(2))[Sb(2)(C(7)H(2)NO(5))(2)(OH)(2)(H(2)O)(2)]·2H(2)O, consists of a binuclear anion, a diprotonated 4,4'-bipyridinium cation and two uncoordinated water mol-ecules. Each Sb(III) atom is six-coordinated by one chelating 4-oxidopyridine-2,6-dicarboxyl-ate ligand, one water mol-ecule, one OH group and one bridging O atom from a neighboring carboxyl-ate group in a distorted penta-gonal-pyramidal geometry, with the OH group at the apical position. The two pyridine rings in the bipyridinium cation are twisted with respect to each other, making a dihedral angle of 22.7 (1)°. The cations are connected to the anions by N-H⋯O hydrogen bonds, forming a chain. The coordinated water mol-ecules form hydrogen bonds with the oxido O atoms of the anion, building a two-dimensional sheet, which is further connected into a three-dimensional structure by O-H⋯O and C-H⋯O hydrogen bonds and C=O⋯π inter-actions [O⋯centroid distances = 3.1785 (17), 3.4737 (19) and 3.5685 (19) Å].

| S-EPMC2983914 | biostudies-literature

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| S-EPMC3238780 | biostudies-literature

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

Project description:In the title polymeric complex, [Sr(C(7)H(3)NO(4))(H(2)O)(2)](n), the Sr(II) atom is eight-coordinated by four O atoms and one N atom of four pyridine-2,4-dicarboxyl-ate (py-2,4-dc) ligands and three O atoms of three coordinated water mol-ecules in a dodeca-hedral geometry. These units are connected via the carboxyl-ate O atoms and water mol-ecules, building polymeric layers parallel to (100). In the crystal structure, non-covalent inter-actions consisting of O-H⋯O hydrogen bonds and π-π stacking inter-actions [centroid-centroid distances = 3.862 (17) and 3.749 (17) Å] connect the various components, forming a three-dimensional structure.

| S-EPMC2977487 | biostudies-literature

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