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Bis[N-(2-hydroxy-ethyl)-N-methyl-glycinato]copper(II).

ABSTRACT: The title compound, [Cu(C(5)H(10)NO(3))(2)], was obtained unintentionally as the product of an attempted synthesis of a Cu/Cd mixed-metal mixed-anion complex using zerovalent copper, cadmium(II) oxide and two ammonium salts in the presence of 2-dimethyl-amino-ethanol in acetonitrile, in air. The mol-ecule is centrosymmetric with two monodeprotonated N-(2-hydroxy-ethyl)-N-methyl-glycines coordinated to the metal in a tridentate mode, giving a bicyclic chelate with two distorted five-membered rings. The Cu(II) ion possesses a distorted octa-hedral geometry, with the N and the O atoms from the carboxyl-ate groups in the equatorial plane. In the crystal structure, inter-molecular O-H⋯O hydrogen-bonding inter-actions from the alkoxide functions of the ligand through the inversion centre form columns of mol-ecules propagated along the a axis.

SUBMITTER: Buvaylo EA

PROVIDER: S-EPMC2959949 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Bis[N,N-bis-(2-hydroxy-ethyl)dithio-carbamato-κS,S']copper(II).

Project description:In the title compound, [Cu(C(5)H(10)NO(2)S(2))(2)], the Cu(II) cation is chelated by two bis-(2-hydroxy-ethyl)dithio-carbamate anions with a distorted square-planar coordination geometry. Inter-molecular O-H⋯O hydrogen bonding is observed between the terminal hydr-oxy groups in the crystal structure.

| S-EPMC2971934 | biostudies-literature

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Project description:The title complex, [Cu(C(18)H(18)N(2)O(6))], was synthesized by the reaction of copper(II) acetate mono-hydrate with the ligand 4,4'-dimeth-oxy-2,2'-[ethyl-enedioxy-bis(nitrilo-methyl-idyne)]diphenol (H(2)L). The Cu atom is coordinated by two O atoms and two N atoms of the L(2-) unit. A bridged dimer is formed through inter-molecular Cu⋯O inter-actions [Cu⋯O = 1.9408 (15) Å], creating a distorted square-pyramidal geometry about the Cu atoms.

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catena-Poly[[bis-(ethyl-enediamine)copper(II)]-?-sulfato].

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| S-EPMC2979599 | biostudies-literature

Hexaaqua-cobalt(II) bis-{[N-(4-meth-oxy-2-oxidobenzyl-idene)glycyl-glycinato]copper(II)} hexa-hydrate.

Project description:In the crystal structure of the title compound, [Co(H(2)O)(6)][Cu(C(12)H(11)N(2)O(5))](2)·6H(2)O, the Co(II) atom is located on an inversion center and coordinated by six water mol-ecules in a slightly distorted octa-hedral geometry. The Cu(II) atom is chelated by the Schiff base ligand in a distorted CuN(2)O(2) square-planar geometry. An extensive O-H?O hydrogen-bonding network is present in the crystal structure.

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catena-Poly[copper(II)-bis-(μ-2-ethyl-5-methyl-imidazole-4-sulfonato-κN,O:O)].

Project description:In the title compound, [Cu(C(6)H(9)N(2)O(3)S)(2)](n), the copper(II) ion sits on an inversion center and is chelated by the imidazole N and sulfonate O atoms of two ligands in equatorial positions. O atoms of adjacent mol-ecules coordinate in the axial positions. Jahn-Teller tetra-gonal distortion is evident in the coordination geometry [Cu-N and Cu-O equatorial distances of 1.971 (3) and 2.045 (2) Å, respectively, with a Cu-O axial distance of 2.433 (3) Å]. The structure is propagated by an infinite chain of eight-membered (Cu-O-S-O)(2) ring systems along the a axis. Only N-H⋯O hydrogen bonding exists between the chains.

| S-EPMC3200726 | biostudies-literature

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Project description:In the title compound, [Cu(C(8)H(8)NO)(2)], a strictly square-planar geometry about the Cu(II) metal atom is observed. Substitution of an O atom with a methyl-functionalized N atom does not significantly alter the bond distances and angles in the copper(II) complex when compared with a similar bis-(troponato)copper(II) complex. ?-? stacking is observed between the tropolone rings, with inter-planar distances of 3.5039?(16) and 3.2933?(15)?Å, respectively. Additional stabilisation of the structure is accomplished through C-H?O hydrogen-bonding interactions.

| S-EPMC3011584 | biostudies-literature

Bis(dicyanamido-κN)bis-[2-(2-hydroxy-ethyl)pyridine-κN,O]nickel(II).

Project description:In the title complex, [Ni{N(CN)(2)}(2)(C(7)H(9)NO)(2)], the Ni(II) ion (site symmetry ) adopts a distorted trans-NiO(2)N(4) octa-hedral geometry. In the crystal, inter-molecular O-H⋯N hydrogen bonds link the mol-ecules, forming a chain along the c axis.

| S-EPMC2971932 | biostudies-literature

catena-Poly[[bis-[1-(2-hydroxy-ethyl)-1H-tetra-zole-κN]copper(II)]-di-μ-chlorido]: a powder study.

Project description:The crystal structure of the title polymeric complex, [CuCl(2)(C(3)H(6)N(4)O)(2)](n), was obtained by the Rietveld refinement from laboratory X-ray powder diffraction data collected at room temperature. The unique Cu(II) ion lies on an inversion center and is in a slightly distorted octa-hedral coordination environment. In the hydroxy-ethyl group, all H atoms, the O atom and its attached C atom are disordered over two positions; the site occupancy factors are ca 0.6 and 0.4. The OH group is involved in an intra-molecular O-H⋯N hydrogen bond.

| S-EPMC2961963 | biostudies-literature

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Project description:In the title compound, [Cu(2)(C(2)H(4)NO(2))(2)(C(10)H(6)O(6)S(2))(H(2)O)(6)], the naphthalene-disulfonate group lies on a center of inversion and bridges two glycinate-chelated Cu(II) atoms. The Cu(II) atom exists in a CuNO(4) square-pyramidal geometry that is distorted towards an octa-hedron owing to a long Cu-O(sulfonate) bond [2.636?(2)?Å]. In the crystal, extensive N-H?O and O-H?O hydrogen bonds link adjacent mol-ecules into a three-dimensional network.

| S-EPMC3379073 | biostudies-literature

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