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Catena-Poly[[[tetra-quazinc(II)]-μ-2,5-dihydroxy-benzene-1,4-diacetato-κO:O] dihydrate].

ABSTRACT: The title compound, {[Zn(C(10)H(8)O(6))(H(2)O)(4)]·2H(2)O}(n), is a one-dimensional coordination polymer with 2,5-dihydroxy-benzene-1,4-diacetate acting as bridging ligand. The zigzag chains, extending parallel to [011], are further packed into a three-dimensional network by hydrogen bonds.

SUBMITTER: Wang L

PROVIDER: S-EPMC2960134 | biostudies-literature | 2008 Nov

REPOSITORIES: biostudies-literature

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catena-Poly[[[tetra-quazinc(II)]-μ-2,5-dihydroxy-benzene-1,4-diacetato-κO:O] dihydrate].

Wang Liang L Zhang Hongwei H Yue Lin L Zhang Zhaohui Z

Acta crystallographica. Section E, Structure reports online 20081108 Pt 12

The title compound, {[Zn(C(10)H(8)O(6))(H(2)O)(4)]·2H(2)O}(n), is a one-dimensional coordination polymer with 2,5-dihydroxy-benzene-1,4-diacetate acting as bridging ligand. The zigzag chains, extending parallel to [011], are further packed into a three-dimensional network by hydrogen bonds. ...[more]

PMID: 21581125

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catena-Poly[[tetra-aqua-zinc(II)]-μ-1,3,4-thia-diazol-2,5-diyldithio-diacetato-κO:O'].

Project description:In the title linear coordination polymer, [Zn(C(6)H(4)N(2)O(4)S(3))(H(2)O)(4)](n), the Zn(II) atom is coordinated by four O atoms from four water mol-ecules and two O atoms from two [5-(carb-oxyl-atomethyl-sulfan-yl)-1,3,4-thia-diazol-2-ylsulfan-yl]acetate units in an octa-hedral coordination environment. The chains are linked into a three-dimensional supra-molecular network via O-H⋯O and O-H⋯N hydrogen bonds.

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catena-Poly[[[triaqua-cadmium(II)]-μ-2,2'-[oxalylbis(azanediyl)]diacetato-κO,O'] dihydrate].

Project description:The structure of the polymeric title complex, {[Cd(C(6)H(6)N(2)O(6))(H(2)O)(3)]·2H(2)O}(n), consists of chains running parallel to [01] in which the oxamidato ligand, deprotonated only at the carboxyl-ate groups, acts as a bridging bis-monodentate ligand. The Cd atom and the O atom of a coordinated water mol-ecule are located on a twofold axis. The coordination geometry around the Cd atom is distorted trigonal-pyramidal. In the crystal structure, neighbouring chains are linked into a three-dimensional network by inter-chain O-H⋯O and N-H⋯O hydrogen bonds.

| S-EPMC2980082 | biostudies-literature

Poly[[diaqua-(μ(2)-1,4-dioxane-κO:O')(μ(2)-2,3,5,6-tetra-fluoro-benzene-1,4-dicarboxyl-ato-κO:O)copper(II)] 1,4-dioxane disolvate dihydrate].

Project description:In the title complex, {[Cu(C(8)F(4)O(4))(C(4)H(8)O(2))(H(2)O)(2)]·2C(4)H(8)O(2)·2H(2)O}(n), the Cu(II) ion is six-coordinated by two oxygen donors from two trans 2,3,5,6-tetra-fluoro-1,4-dicarboxyl-ate (BDC-F(4)) ligands, two O atoms from two chair 1,4-dioxane ligands and two O atoms from two terminal water mol-ecules, adopting a distorted octa-hedral coordinated geometry. Each BDC-F(4) anion bridges two Cu(II) ions in a bis-monodentate fashion, forming a [Cu(BDC-F(4))](n) chain. These chains are further linked by bridging 1,4-dioxane ligands, generating a two-dimensional net with approximately recta-ngular grids of 11.253 × 7.654 Å. Such adjacent parallel layers are connected by O-H⋯O hydrogen bonds between guest water mol-ecules and the uncoordinated carboxyl-ate O atoms and coordinated water mol-ecules into the final three-dimensional supra-molecular network.

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catena-Poly[[(triaqua-cadmium)-μ-1,4-phenyl-enediacetato-κO,O':O'',O'''] dihydrate].

Project description:In the title compound, {[Cd(C(10)H(8)O(4))(H(2)O)(3)]·2H(2)O}(n), penta-gonal-bipyramidally coordinated Cd(II) ions on a twofold rotation axis are linked by tethering 1,4-phenyl-enediacetate (1,4-phda) ligands into [Cd(1,4-phda)(H(2)O)(3)](n) coordination polymer chains. The chain motifs are oriented parallel to the c-axis direction. Individual chains are connected into a supra-molecular network via O-H⋯O hydrogen bonding involving the aqua ligands.

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catena-Poly[[[diaqua-diformatonickel(II)]-μ-1,4-bis-(1H-benzimidazol-1-yl)benzene] dihydrate].

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catena-Poly[[[μ-aqua-penta-aqua-dizinc(II)]-μ(4)-benzene-1,2,4,5-tetra-carboxyl-ato] dihydrate].

Project description:The asymmetric unit of the title compound, {[Zn(2)(C(10)H(2)O(8))(H(2)O)(6)]·2H(2)O}(n), contains two distinct Zn atoms joined by a bridging water molecule and two bridging carboxyl-ate groups belonging to distinct halves of benzene-1,2,4,5-tetra-carboxyl-ate (tbec) tetra-anionic ligands, both lying on crystallographic inversion centres. The structure of this new isopolymorphic one-dimensional coordination polymer features asymmetric bimetallic octa-hedral knots. O-H⋯O hydrogen bonds between water molecules and carboxylate O atoms help to consolidate the crystal packing.

| S-EPMC2977204 | biostudies-literature

catena-Poly[[[aqua-tris-(pyridine-κN)nickel(II)]-μ-2,3,5,6-tetra-chloro-benzene-1,4-dicarboxyl-ato-κO:O] pyridine monosolvate].

Project description:The asymmetric unit of the title compound, {[Ni(C(8)Cl(4)O(4))(C(5)H(5)N)(3)(H(2)O)]·C(5)H(5)N}(n), contains two independent nickel(II) cations displaying a distorted octa-hedral coordination geometry provided by the N atoms of three pyridine mol-ecules, the O atom of a water mol-ecule, and O atoms of two monodentate μ(2)-bridging tetra-chloro-terephthalate dianions. The metal atoms are linked by the dianions into zigzag chains running parallel to [11]. The crystal packing is stabilized by O-H⋯N and O-H⋯O hydrogen bonds.

| S-EPMC3011545 | biostudies-literature

catena-Poly[[bis-(pyridine-κN)zinc(II)]-μ-benzene-1,4-dicarboxyl-ato-κO:O].

Project description:In the title coordination polymer, [Zn(C(8)H(4)O(4))(C(5)H(5)N)(2)](n), the Zn(II) atom, located on a twofold rotation axis, is tetra-coordinated by two monodentate O atoms from two different carboxyl-ate groups and two pyridyl N atoms, forming a distorted tetra-hedral geometry. The Zn(II) atoms are bridged by terephthalate ligands, generating an infinite zigzag chain along [101].

| S-EPMC3007002 | biostudies-literature

catena-Poly[[diaqua-(2,2'-bipyridine-κN,N')zinc]-μ-2,2'-[1,4-phenylene-bis(sulfanedi-yl)]diacetato-κO:O'].

Project description:In the polymeric title complex, [Zn(C(10)H(8)O(4)S(2))(C(10)H(8)N(2))(H(2)O)(2)](n), the Zn(2+) ion lies on a twofold rotation axis and exhibits an octa-hedral environment, in which it is coordinated by two trans O atoms from two symmetry-related 2,2'-[1,4-phenyl-enebis(sulfanedi-yl)]diacetate anions, two N atoms from one 2,2'-bipyridine ligand, and two cis O atoms from water mol-ecules. The dihedral angle between the two pyridine rings is 11.5 (1)°. Adjacent Zn(2+) ions are bridged in a monodentate manner by the diacetate anions, forming a chain structure extending parallel to [101], and are further linked into the final three-dimensional structure by O-H⋯O hydrogen bonds between the coordinating water mol-ecules as donor and the non-coordinating carboxyl-ate O atoms as acceptor atoms.

| S-EPMC3274851 | biostudies-literature

catena-Poly[bis-(4-amino-pyridinium) [[tetra-aqua-nickel(II)]-μ-benzene-1,2,4,5-tetra-carboxyl-ato] dihydrate].

Project description:The asymmetric unit of the title compound, {(C(5)H(7)N(2))(2)[Ni(C(10)H(2)O(8))(H(2)O)(4)]·2H(2)O}(n), contains an Ni(II) atom, two water mol-ecules of coordination, one half of a benzene-1,2,4,5-tetra-carboxyl-ate (btec) anionic ligand, one 4-amino-pyridinium cation (papy) and an uncoordinated water mol-ecule. The metal center lies on an inversion center and adopts an octa-hedral geometry with the carboxyl-ate groups tilted out of the mean plane formed by the btec. In the crystal, mol-ecules are linked into one-dimensional coordination polymers running along the ac diagonal. The crystal structure is consolidated by N-H⋯O and O-H⋯O hydrogen bonds.

| S-EPMC2970276 | biostudies-literature

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