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Aqua-(4,4'-bipyridine-κN)bis-(1,4-dioxo-1,4-dihydronaphthalen-2-olato-κO,O)zinc 4,4'-bipyridine mono-solvate dihydrate.

ABSTRACT: The reaction of 2-hy-droxy-1,4-naphtho-quinone and 4,4'-bipyridine with zinc acetate produced the title compound, [Zn(C(10)H(5)O(3))(2)(C(10)H(8)N(2))(H(2)O)]·C(10)H(8)N(2)·2H(2)O. The bond lengths and angles around the metal atom indicate a deviation from octa-hedral geometry. The two naphtho-quinone ligands coordinate in a cis fashion, with the 4,4'-bipyridine ligand and the water mol-ecules completing the coordination sphere of the metal atom. The asymmetric unit contains also one free 4,4'-bipyridine mol-ecule and two uncoordinated water mol-ecules. These mol-ecules make contacts with the complex through O-H⋯N and O-H⋯O hydrogen bonds, creating a layer two-dimensional network parallel to (121).

SUBMITTER: Silva MM

PROVIDER: S-EPMC3246923 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Bis(μ-2,2'-oxydibenzoato-κO,O':O'',O''')bis-[(4,4'-dimethyl-2,2'-bipyridine-κN,N')zinc(II)] dihydrate.

Project description:In the title compound, [Zn(2)(C(14)H(8)O(5))(2)(C(12)H(12)N(2))(2)]·2H(2)O, the Zn(II) atom exhibits a distorted octa-hedral coordination geometry, defined by two N atoms from one 4,4'-dimethyl-2,2'-bipyridine ligand and four O atoms from two bridging 2,2'-oxydibenzoate ligands. The mol-ecule is a centrosymmetric dimer. π-π Stacking inter-actions are observed between the 4,4'-dimethyl-2,2'-bipyridine ligands, with a centroid-centroid distance of 3.649 (2) Å.

| S-EPMC2961073 | biostudies-literature

catena-Poly[[[tetra-aqua-cobalt(II)]-μ-4,4'-bipyridine-κN:N'] bis-(perchlorate) 4,4'-bipyridine disolvate dihydrate].

Project description:In the title compound, {[Co(C(10)H(8)N(2))(H(2)O)(4)](ClO(4))(2)·2C(10)H(8)N(2)·2H(2)O}(n), slightly distorted octa-hedrally coordinated Co(II) ions situated on inversion centers are linked into polycationic chains through 4,4'-bipyridine tethering ligands. These are connected into supra-molecular layers by hydrogen bonding involving aqua ligands, perchlorate anions and uncoordinated water mol-ecules. A twofold inter-penetrated primitive cubic supra-molecular network is formed by the inter-action of pseudo-layers by hydrogen bonding between aqua ligands and unligated 4,4'-bipyridine mol-ecules.

| S-EPMC2959782 | biostudies-literature

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Project description:In the title dinuclear complex, [Cu(2)(C(5)H(10)NO(2))(2)(C(10)H(8)N(2))(3)(H(2)O)(2)](NO(3))(2)·2H(2)O, each of the two l-valinate anions chelates a Cu(II) center through the amino N and carboxyl-ate O atom, forming a five-membered ring. A 4,4'-bipyridine mol-ecule bridges two water-coordinated Cu atoms, each of which is connected to another 4,4'-bipyridine, giving rise to a square-pyramidal coordination geometry for the Cu(II) centers. The dinuclear dications, nitrate anions and uncoord-inated water mol-ecules are linked into a two-dimensional structure.

| S-EPMC2960237 | biostudies-literature

(Benzoato-κO)(benzoic acid-κO)(4,4'-dimethyl-2,2'-bipyridine-κN,N')hydroxidocopper(II) monohydrate.

Project description:In the structure of the title complex, [Cu(C(7)H(5)O(2))(OH)(C(12)H(12)N(2))(C(7)H(6)O(2))]·H(2)O, the Cu(II) ion is penta-coordinated in a tetra-gonal-pyramidal geometry with one O atom of a hydroxide group, one O atom of a benzoate anion and two N atoms of a 4,4'-dimethyl-2,2'-bipyridine ligand occupying the basal plane, and one O atom of a benzoic acid mol-ecule located at the apical site. The title complex was refined with a metal-coordinated OH group and a 'free' benzoic acid molecule, although it can be assumed that the proton is delocalized between the OH and the COOH group. The uncoordinated water mol-ecule is equally disordered over two positions. The structure displays O-H⋯O hydrogen bonding.

| S-EPMC2972094 | biostudies-literature

Potassium (2,2'-bipyridine-κN,N')bis-(carbonato-κO,O')cobaltate(III) dihydrate.

Project description:In the title compound, K[Co(CO(3))(2)(C(10)H(8)N(2))]·2H(2)O, the Co(III) atom is coordinated by two bipyridine N atoms and four O atoms from two bidentate chelating carbonate anions, and thus adopts a distorted octa-hedral N(2)O(4) environment. The [Co(bipy)(CO(3))(2)](-) (bipy is 2,2'-bipyridine) -units are stacked along [100] via π-π stacking inter-actions, with inter-planar distances between the bipyridine rings of 3.36 (4) and 3.44 (6) Å, forming chains. Classical O-H⋯O hydrogen-bonding inter-actions link the chains, forming channels along (100) in which the K(+) ions reside and leading to a three-dimensional supra-molecular architecture.

| S-EPMC2983251 | biostudies-literature

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Project description:In the mol-ecule of the title compound, [InCl(3)(C(12)H(12)N(2))(C(2)H(6)OS)], the In(III) atom is six-coordinated in a distorted octa-hedral configuration by two N atoms from the chelating 4,4'-dimethyl-2,2'-bipyridine ligand, one O atom from dimethyl sulfoxide and three Cl atoms. In the crystal structure, inter-molecular C-H⋯Cl hydrogen bonds link the mol-ecules into centrosymmetric dimers.

| S-EPMC2959453 | biostudies-literature

(2,2'-Bipyridine-κN,N')bis-(3-meth-oxy-benzoato-κO,O)copper(II) mono-hydrate.

Project description:The title compound, [Cu(C(8)H(7)O(3))(2)(C(10)H(8)N(2))]·H(2)O, is comprised of a Cu(II) ion, two 3-meth-oxy-benzoate ligands, a 2,2'-bipyridine (bipy) ligand and one uncoordinated water mol-ecule. The Cu(II) ion and the water O atom lie on a twofold axis. The Cu(II) ion exhibits a six-coordinate distorted octa-hedral geometry, with two N atoms from the bipy ligand [Cu-N = 1.9996 (16) Å] and four O atoms from two 3-meth-oxy-benzoate ligands [Cu-O = 1.9551 (15) and 2.6016 (16) Å]. The mol-ecules are linked by O-H⋯O and C-H⋯O hydrogen bonds, forming a three-dimensional network.

| S-EPMC3052164 | biostudies-literature

catena-Poly[[diaqua-[(4-tolyl-sulfan-yl)acetato-κO]cadmium(II)]-μ-4,4'-bipyridine-κN:N'].

Project description:The title complex, [Cd(C(9)H(9)O(2)S)(2)(C(10)H(8)N(2))(H(2)O)(2)](n), has a linear chain structure. The central Cd(II) ion is in a slightly disorted octa-hedral environment, coordinated by two aqua ligands, two (4-tolyl-sulfan-yl)acetate ligands and two bridging 4,4'-bipyridine ligands. The Cd(II) ion lies on a twofold rotation axis. Inter-molecular O-H⋯O hydrogen bonds connect adjacent chains, forming a layer structure. An intramolecular O-H⋯O hydrogen bond is also present.

| S-EPMC2960514 | biostudies-literature

Bis[μ-2-(4-hy-droxy-phen-yl)acetato]-κO,O':O;κO:O,O'-bis-{aqua-(4,4'-bipyridine-κN)bis-[2-(4-hy-droxy-phen-yl)acetato-κO,O']thulium(III)} mono-hydrate.

Project description:In the title dinuclear complex, [Tm(2)(C(8)H(7)O(3))(6)(C(10)H(8)N(2))(2)(H(2)O)(2)]·H(2)O, the Tm(III) atoms are coordinated by eight O atoms from four 2-(4-hy-droxy-phen-yl)acetate (HPAA) ligands and a water mol-ecule, and one N atom from a 4,4'-bipyridine ligand in a distorted tricapped trigonal-prismatic geometry. While four of the HPAA ligands coordinate to just one Tm atom, the remaining two HPAA ligands bridge the two Tm atoms. In the crystal, O-H⋯O and O-H⋯N hydrogen bonds link the mol-ecules into a three-dimensional network.

| S-EPMC3009223 | biostudies-literature

Bis(μ-pyridine-2,5-dicarboxyl-ato)-κN,O:O;κO:N,O-bis-[aqua-(2,2'-bipyridine-κN,N')cobalt(II)] dihydrate.

Project description:In the centrosymmetric title compound, [Co(2)(C(7)H(3)NO(4))(2)(C(10)H(8)N(2))(2)(H(2)O)(2)]·2H(2)O, the two Co(II) cations are bridged by pairs of pyridine-2,5-dicarboxyl-ate anions across an inversion center. Besides two pyridine-2,5-dicarboxyl-ate anions, one bidentate 2,2'-bipyridine and one water mol-ecule coordinate to the Co cation, completing a distorted octa-hedral coordination geometry. Within the dinuclear mol-ecule, π-π stacking occurs between parallel pyridine rings with centroid-centroid distances of 3.802 (2) Å. The crystal structure contains extensive O-H⋯O and weak C-H⋯O hydrogen bonds and C-H⋯π inter-actions.

| S-EPMC3051640 | biostudies-literature

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