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Catena-Poly[[copper(II)-bis-[?-bis-(pyridin-3-yl)methanone-?N:N']] bis-(tetra-fluorido-borate)].

ABSTRACT: In the title complex, {[Cu(C(11)H(8)N(2)O)(2)](BF(4))(2)}(n), the Cu(II) ion is situated on an inversion centre and adopts an N(4)F(2) octa-hedral coordination geometry with four N atoms from four different bis-(pyridin-3-yl)methanone ligands at the equatorial sites and two independent tetra-fluoridoborate anions weakly bonded at the axial sites via two F atoms [Cu?F = 2.613?(3)?Å]. Chains with the bridging ligands are formed along the a axis. C-H?F inter-actions stabilize the structure. C-O?? inter-actions also occur.

SUBMITTER: Liu B

PROVIDER: S-EPMC3238772 | biostudies-literature | 2011 Dec

REPOSITORIES: biostudies-literature

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catena-Poly[[copper(II)-bis-[μ-bis-(pyridin-3-yl)methanone-κN:N']] bis-(tetra-fluorido-borate)].

Liu Bin B

Acta crystallographica. Section E, Structure reports online 20111130 Pt 12

In the title complex, {[Cu(C(11)H(8)N(2)O)(2)](BF(4))(2)}(n), the Cu(II) ion is situated on an inversion centre and adopts an N(4)F(2) octa-hedral coordination geometry with four N atoms from four different bis-(pyridin-3-yl)methanone ligands at the equatorial sites and two independent tetra-fluoridoborate anions weakly bonded at the axial sites via two F atoms [Cu⋯F = 2.613 (3) Å]. Chains with the bridging ligands are formed along the a axis. C-H⋯F inter-actions stabilize the structure. C-O⋯π i ...[more]

PMID: 22199649

Similar Datasets

catena-Poly[[copper(I)-bis[μ-bis(di-phenyl-phos-phino)methane-κP:P']-copper(I)-μ-2,2'-bipyridine-κN:N'] bis(tetra-fluorido-borate) dichloromethane 2.5-solvate].

Project description:The title complex, {[Cu(2)(C(10)H(8)N(2))(C(25)H(22)P(2))(2)](BF(4))(2)·2.5CH(2)Cl(2)}(n), contains chains of Cu(I) centres bridged alternately by two (diphenyl-phosphino)methane (dppm) and 4,4'-bipyridine (bpy) ligands. Each Cu(I) atom is coordinated by one N atom of 4,4'-bipyridine (bpy) and two P atoms of two (diphenyl-phosphino)methane (dppm) ligand, and has a trigonal-planar coordination geometry. There is an inversion centre midway between each pair of adjacent Cu atoms. The distance of two Cu(I) atoms separated by two (diphenyl-phosphino)methane bridging ligands is 3.732 (3) Å, and 4,4'-bipyridine 11.138 (5) Å.

| S-EPMC2960204 | biostudies-literature

Bis(di-2-pyridylmethane-diol-κN,O,N')copper(II) bis-(tetra-fluorido-borate) dihydrate.

Project description:The title complex, [Cu(C(11)H(10)N(2)O(2))(2)](BF(4))(2)·2H(2)O, was isolated as a dihydrate from a 1:2 molar mixture of copper(II) tetra-fluoridoborate hexa-hydrate with di-2-pyridyl ketone in aqueous solution. The centrosymmetric complex cation is structurally similar to that found in previously reported salts and exhibits Cu-O bonds deviating by 25 degrees from an octa-hedral geometry by the so-called 'off-axis angle' distortion. The BF(4) (-) anion exhibits a two site disorder of the fluorine atoms [ratio 0.210 (8):0.790 (8)].

| S-EPMC2969716 | biostudies-literature

catena-Poly[[[aqua-copper(II)]bis-[?-bis(3,5-dimethyl-1H-pyrazol-4-yl) selenide]] bis-(tetra-fluorido-borate) bis-(triphenyl-phosphine oxide) monohydrate].

Project description:The title compound, {[Cu(C(10)H(14)N(4)Se)(2)(H(2)O)](BF(4))(2)·2C(18)H(15)PO·H(2)O}(n), has a polymeric structure where each Cu(II) ion adopts a square-pyramidal coordination constituted by four N atoms of pyrazole moieties in the equatorial plane and an axial O atom of a water mol-ecule. A pair of bis-(3,5-dimethyl-1H-pyrazol-4-yl) selenide ligands bridges the Cu(II) centres into a chain extending along the c axis. The water mol-ecules, anions and triphenyl-phosphine oxide mol-ecules are involved in inter-molecular hydrogen bonding, which links the chains into a three-dimensional network.

| S-EPMC2979014 | biostudies-literature

Hexaaqua-copper(II) bis-(tetra-fluorido-borate)-pyrazine 1,4-dioxide (1/3).

Project description:The crystal structure of the title compound, [Cu(H2O)6](BF4)2·3C4H4N2O2, comprises discrete [Cu(H2O)6](2+) cations and BF4 (-) anions along with three equivalents of pyrazine 1,4-dioxide (pzdo). The hexa-aqua-copper(II) ion and all three pzdo mol-ecules lie about crystallographic inversion centers. The lattice is supported by an extensive hydrogen-bonding network. O-H⋯O hydrogen bonding between the [Cu(H2O)6](2+) and pzdo units creates a pseudo-hexa-gonal lattice parallel to the bc plane. The BF4 (-) anions lie in the voids of that lattice, held in place by O-H⋯F hydrogen bonds, and also generate BF4 (-)-pzdo-BF4 (-)-pzdo stacks via short F⋯N contacts [2.866 (3)-3.283 (4) Å].

| S-EPMC3629502 | biostudies-literature

Acetonitrile-bis-(2,9-dimethyl-1,10-phen-an-throline)copper(II) bis-(tetra-fluorido-borate).

Project description:The title compound, [Cu(CH(3)CN)(C(12)H(12)N(2))(2)](BF(4))(2), crystallizes with two copper-containing cations and four tetra-fluoro-borate anions in the asymmetric unit. The structure represents a second crystal form of the salt, the first being an acetonitrile solvate [Watton (2009 ?). Acta Cryst. E65, m585-m586]. The complex cation has a distorted trigonal-bipyramidal geometry, whereas the previous structure exhibits a distorted square-pyramidal geometry. One of the four BF(4) (-) counter-ions is disordered, with a refined site occupancy of 0.8615?(17):0.1385?(17).

| S-EPMC3009076 | biostudies-literature

Crystal structure of catena-poly[[[di-aqua-cobalt(II)]-bis-(μ-hex-3-enedi-nitrile-κ(2) N:N')] bis-(tetra-fluorido-borate)].

Project description:In the structure of the title salt, [Co(C6H6N2)2(H2O)2](BF4)2, the Co(II) atom is located on an inversion centre. The transition metal is in a slightly distorted octa-hedral coordination environment, defined by the cyano N atoms of four hex-3-enedi-nitrile ligands in equatorial positions and the O atoms of two water mol-ecules in axial positions. The bridging mode of the hex-3-enedi-nitrile ligands leads to the formation of cationic chains extending parallel to [1-10]. The BF4 (-) counter-anion is disordered over two sets of sites [occupancy ratio = 0.512 (19):0.489 (19)]. It is located in the voids between the cationic chains and is connected to the aqua ligands of the latter through O-H⋯F hydrogen bonds. One methyl-ene H atom of the hex-3-enedi-nitrile ligand forms another and weak C-H⋯O hydrogen bond with a water O atom of a neighbouring chain, thus consolidating the three-dimensional network structure.

| S-EPMC4459353 | biostudies-literature

Bis[5-(pyridin-2-yl-κN)tetra-zolido-κN (1)]copper(II).

Project description:In the title complex, [Cu(C6H4N5)2], the Cu(II) ion lies on an inversion center and is coordinated by two chelating 5-(pyridin-2-yl)tetra-zolide ligands in a slightly distorted square-planar coordination geometry. In the crystal, π-π stacking inter-actions, with centroid-centroid distances in the range 3.4301 (14)-3.4387 (13) Å, link the complex mol-ecules along [101].

| S-EPMC3998465 | biostudies-literature

μ-Oxido-bis-[hydridotris(tri-methyl-phosphane-κP)iridium(III)](Ir-Ir) bis-(tetra-fluorido-borate) dihydrate.

Project description:The title compound, [Ir2H2O(C3H9P)6](BF4)2·2H2O, was isolated from the reaction between [Ir(COD)(PMe3)3]BF4 and H2 in water (COD is cyclo-octa-1,5-diene). The asymmetric unit consists of one Ir(III) atom bonded to three PMe3 groups, one hydride ligand and half an oxide ligand, in addition to a BF4 (-) counter-ion and one water molecule of hydration. The single oxide ligand bridging two Ir(III) atoms is disordered across an inversion center with each O atom having a 50% site occupancy. Each Ir(III) atom has three PMe3 groups occupying facial positions, with the half-occupancy O atoms, a hydride ligand and an Ir-Ir bond completing the coordination sphere. The Ir-Ir distance is 2.8614 (12) Å, comparable to other iridium(III) metal-metal bonds. Two water mol-ecules hydrogen bond to two BF4 (-) anions in the unit cell.

| S-EPMC3998581 | biostudies-literature

1,1'-Dimethyl-4,4'-bipyridinium bis-(tetra-fluorido-borate).

Project description:In the title compound, C(12)H(14)N(2) (2+)·2BF(4) (-), the cation has a centre of symmetry at the mid-point of the central C-C bond. π-π inter-actions, with a shortest atom-to-atom distance of 3.757 (4) Å, extend the crystal structure into a one-dimensional supra-molecular chain.

| S-EPMC2915310 | biostudies-literature

catena-Poly[{μ-cyanido-bis-[(4,4'-dimethyl-2,2'-bipyridine-κN,N')copper(I)]}-μ-cyanido-copper(I)-μ-cyanido].

Project description:In the title compound, [Cu(3)(CN)(3)(C(12)H(12)N(2))(2)], two 2,2'-bipyridine N,N'-chelated Cu(I) atoms are linked by a cyanide bridge that lies about a center of inversion; the Cu(I) atom exists in a tetra-hedral coordination geometry. This dinuclear entity is linked to another Cu(I) atom that lies on a twofold rotation axis by another cyanide bridge, these bridges giving rise to the formation of a linear chain motif.

| S-EPMC2961986 | biostudies-literature

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