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(Acetato-κO)bis-(2,2'-bipyridyl-κN,N')copper(II)-ethyl sulfate-methyl sulfate (1/0.5/0.5).

ABSTRACT: In the title complex, [Cu(C(2)H(3)O(2))(C(10)H(8)N(2))(2)](CH(3)CH(2)OSO(3))(0.5)(CH(3)OSO(3))(0.5), the Cu(II) ion is bis-chelated by two 2,2'-bipyridine lignds and coordinated by an O atom of an acetate ligand in a CuN(4)O disorted square-pyramidal environment. In the structure, equal amounts of methyl sulfate and ethyl sulfate anions are disordered on the same crystallographic sites. The crystal structure is stabilized by weak inter-molecular C-H⋯O inter-actions.

SUBMITTER: Wen ZG

PROVIDER: S-EPMC2959956 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Bis(2,2'-bipyridine-κN,N')(nitrato-κO)copper(II) perchlorate.

Project description:In the title compound, [Cu(NO(3))(C(10)H(8)N(2))(2)]ClO(4), the five-coordinated Cu(II) atom has a distorted square-pyramidal CuN(4)O environment; the O atom is in the axial position whereas the N atoms from two bipyridine (bipy) ligands are in the equatorial plane. In the crystal, mol-ecules are assembled by C-H⋯O hydrogen bonding and π-π inter-actions between bipy groups [centroid-centroid distances = 3.7686 (16) and 3.7002 (16) Å] into a three-dimensional network. The nitrite anion is equally disordered over two sets of sites.

| S-EPMC3051949 | biostudies-literature

Bis(2,2'-bipyridyl-κN,N')(sulfato-κO,O')zinc(II) ethane-1,2-diol solvate.

Project description:The title compound, [Zn(SO(4))(C(10)H(8)N(2))(2)]·C(2)H(6)O(2), is a six-coordinate zinc(II) complex with a distorted octa-hedral coordination geometry. The Zn(II) atom is bonded by two O atoms of the bidentate chelating sulfate ligand and four N atoms of the two chelating 2,2'-bipyridine ligands. The Zn-N bond distances range from 2.1287 (17) to 2.1452 (17) Å and the Zn-O bond distance is 2.1811 (15) Å. The two chelating NCCN groups subtend a dihedral angle of 81.1 (1)°. In the crystal structure, the [ZnSO(4)(C(10)H(8)N(2))(2)] and C(2)H(6)O(2) units are connected by inter-molecular O-H⋯O hydrogen bonding, which leads to additional stabilization of the structure.

| S-EPMC2979970 | biostudies-literature

Di-μ-nitrito-κO:O-bis-[bis-(1-ethyl-1H-imidazole-κN)(nitrito-κO)copper(II)].

Project description:In the structure of the title compound, [Cu(2)(NO(2))(4)(C(5)H(8)N(2))(4)], the asymmetric unit consists of two moieties containing one Cu ion, two nitrite ions and two 1-ethyl-1H-imidazole mol-ecules associated via weak Cu-O inter-actions. Each Cu(II) atom displays an elongted square-pyramidal CuN(2)O(3) coordination geometry with a slight tetra-hedral distortion in the basal plane. The dimeric units are linked into a three-dimensional network by C-H⋯O hydrogen bonds.

| S-EPMC3151931 | biostudies-literature

Bis(?-2-phenyl-acetato-?O:O)bis-[(2,2'-bipyridyl-?N,N')(2-phenyl-acetato-?O)copper(II)] dihydrate.

Project description:The mol-ecule of the binuclear title complex, [Cu(2)(C(8)H(7)O(2))(4)(C(10)H(8)N(2))(2)]·2H(2)O, is located on an inversion centre. The Cu atoms are bridged by two O atoms of the monodentate phenyl-acetate groups [Cu-O = 1.9808?(14) and 2.3668?(14)?Å]. The longer of the two bridging Cu-O bonds takes the apical position of the distorted square-pyramidal environment of the Cu atom, which is completed by two N atoms of the chelate 2,2'-bipyridine ligand [Cu-N = 2.0107?(17) and 2.0234?(16)?Å]. The mol-ecules are assembled into stacks along [100] through ?-? inter-actions with inter-planar distances of 3.630?(4) and 3.407?(3)?Å; the resulting stacks are further connected into a three-dimensional supra-molecular architecture by O-H?O and C-H?O hydrogen-bonding inter-actions.

| S-EPMC3201355 | biostudies-literature

Bis(acetato-κO,O')[2,6-bis-(1H-pyrazol-3-yl-κN)pyridine-κN]manganese(II).

Project description:In the title complex, [Mn(CH(3)CO(2))(2)(C(11)H(9)N(5))], the Mn(II) atom is coordinated by the pyridine N atom and two pyrazole N atoms from a 2,6-bis-(pyrazol-3-yl)pyridine ligand and four O atoms from two bidentate acetate ligands. The complex mol-ecules are linked by inter-molecular N-H⋯O hydrogen bonds into a chain along [010]. π-π inter-actions between the pyridine rings and between the pyrazole rings [centroid-centroid distances = 3.772 (2) and 3.546 (2) Å] connect the chains.

| S-EPMC3099944 | biostudies-literature

μ-Oxalato-κO,O:O,O-bis-[diaqua-(2,2'-bipyridyl-κN,N')zinc] bis-[2-(1H-benzotriazol-1-yl)acetate] hexa-hydrate.

Project description:The asymmetric unit of the title compound, [Zn(2)(C(2)O(4))(C(10)H(8)N(2))(2)(H(2)O)(4)](C(8)H(6)N(3)O(2))(2)·6H(2)O, contains one half of the centrosymmetric binuclear cation, one anion and three water mol-ecules. In the cation, the oxalate ligand bridges two Zn(II) ions in a bis-bidentate fashion, so each Zn(II) ion is coordinated by two O atoms from the oxalate ligand, two N atoms from two 2,2'-bipyridine ligands and two water mol-ecules in a distorted octa-hedral arrangement. The mean planes of the oxalate and 2,2'-bipyridine ligands form a dihedral angle of 80.0 (1)°. An extensive three-dimensional hydrogen-bonding network formed by classical O-H⋯O and O-H⋯N inter-actions consolidates the crystal packing.

| S-EPMC3274917 | biostudies-literature

Tetra-μ-acetato-κO:O'-bis-[(N-ethyl-pyrimidin-2-amine)-copper(II)](Cu-Cu).

Project description:In the centrosymmetric title mol-ecule, [Cu(2)(CH(3)COO)(4)(C(6)H(9)N(3))(2)], each of the four acetate groups bridges a pair of Cu(II) atoms [Cu-Cu = 2.6540 (4) Å]. The distorted octa-hedral geometry of the metal atom is completed by an N-donor atom of the N-ethyl-pyrimidin-2-amine ligand: an intra-molecular N-H⋯O hydrogen links its N-H group to an acetate carboxyl-ate O atom. In the crystal, C-H⋯O inter-actions link the mol-ecules into a supra-molecular chain along the b axis.

| S-EPMC3007943 | biostudies-literature

Bis(4-ethyl-benzoato-κO)bis-(nicotin-amide-κN)zinc(II).

Project description:The title Zn(II) complex, [Zn(C(9)H(9)O(2))(2)(C(6)H(6)N(2)O)(2)], contains two 4-ethyl-benzoate and two nicotinamide monodentate ligands, leading to a distorted tetrahedral coordination of the Zn(II) ion. The dihedral angles between the carboxyl-ate groups and the adjacent benzene rings are 10.33 (13) and 2.38 (11)°, while opposite pyridine and benzene rings are oriented at dihedral angles of 68.46 (5) and 81.09 (6)°. In the crystal, inter-molecular N-H⋯O hydrogen bonds link the mol-ecules, forming a three-dimensional network. C-H⋯O inter-actions also occur as well as two weak C-H⋯π inter-actions involving the benzene rings.

| S-EPMC3051993 | biostudies-literature

catena-Poly[[bis-(1-ethyl-1H-imidazole-κN)copper(II)]-μ-oxalato-κO,O:O,O].

Project description:The title compound, [Cu(C(2)O(4))(C(5)H(8)N(2))(2)](n), is composed of one-dimensional linear chains running parallel to the a axis. In the chain, trans-[Cu(imidazole)(2)](2+) units are sequentially bridged by bis-bidentate oxalate ligands, resulting in an octa-hedral CuO(4)N(2) donor set. The Cu⋯Cu separation through the oxalate bridge is 5.620 (5) Å. Both the Cu atoms and the C-C bond of the oxalate bridge are bis-ected by inversion centres.

| S-EPMC3246998 | biostudies-literature

Bis(1H-imidazole-κN)bis-(1-naph-tha-lene-acetato-κO,O')cadmium(II).

Project description:In the mononuclear title compound, [Cd(C(12)H(9)O(2))(2)(C(3)H(4)N(2))(2)], the Cd(II) centre has a distorted octa-hedral coordination geometry defined by four O atoms from two naphthalene-acetate ligands and two N atoms from two imidazole ligands. The mol-ecules are linked by N-H⋯O hydrogen bonds, forming a layer network.

| S-EPMC2961099 | biostudies-literature

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