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Catena-Poly[[dibromidozinc(II)]-μ-3-(1H-benzimidazol-2-yl)[2,6-H(2)]pyridine N-oxide].

ABSTRACT: In the crystal structure of the title compound, [ZnBr(2)(C(12)H(7)D(2)N(3)O)](n), the Zn atoms are coordinated by two Br atoms and by one N atom and one O atom of two symmetry-related 3-(1H-benzimidazol-2-yl)[2,6-(2)H(2)]pyridine N-oxide ligands in a slightly distorted tetra-hedral geometry. The ZnBr(2) units are connected by the organic ligands into chains.

SUBMITTER: Luo HZ

PROVIDER: S-EPMC2924173 | biostudies-literature |

REPOSITORIES: biostudies-literature

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

Project description:In the title one-dimensional coordination polymer, {[Ni(CHO(2))(2)(C(20)H(14)N(4))(H(2)O)(2)]·2H(2)O}(n), the Ni(II) atom lies on a crystallographic inversion centre. It is coordinated by two formate O atoms, two water O atoms and two N atoms from two 1,4-bis-(1H-benzimidazol-1-yl)benzene (bzb) ligands, resulting in a distorted trans-NiN(2)O(4) octa-hedral coordination geometry. The bzb mol-ecule acts as a bridging ligand to connect the metal atoms into a chain propagating in [1[Formula: see text][Formula: see text]]. The dihedral angle between the benzimidazole ring and the central benzene ring in the ligand is 38.16 (9)°. In the crystal, O-H⋯O hydrogen bonds crosslink the chains into (010) sheets.

| S-EPMC3274932 | biostudies-literature

2,6-Bis(1H-benzimidazol--2-yl)pyridine methanol trisolvate.

Project description:In the title compound, C(19)H(13)N(5)·3CH(4)O, the 2,6-bis-(2-benzimidazol-yl)pyridine mol-ecule is essentially planar with an r.m.s. deviation for all non-H atoms of 0.185 Å. The crystal structure is stabilized by inter-molecular O-H⋯O, O-H⋯N and N-H⋯O hydrogen bonds and weak π⋯π stacking inter-actions with centroid-centroid distances of 3.6675 (16) and 3.6891 (15) Å. The atoms of one of the methanol solvent molecules are disordered over two sites with refined occupancies of 0.606(8) and 0.394(8).

| S-EPMC2977700 | biostudies-literature

catena-Poly[[aqua-sodium(I)]-μ-[2,2'-(disulfanedi-yl)bis-(pyridine N-oxide)]-μ-(pyridine-2-thiol-ato 1-oxide)].

Project description:There are two monomeric units in the asymmetric unit of the polymeric title compound, [Na(C(5)H(4)NOS)(C(10)H(8)N(2)O(2)S(2))(H(2)O)](n). The Na(I) ions are six coordinated by four O atoms, one S atom and one water mol-ecule, forming a slightly distorted octa-hedral geometry. An intra-molecular O-H⋯O hydrogen bond stabilizes the conformation of the mol-ecule. The crystal packing is consolidated by inter-molecular O-H⋯O, O-H⋯N and O-H⋯S hydrogen bonds, π-π inter-actions [with centroid-centroid distances of 3.587 (2) Å] together with weak C-H⋯π inter-actions. The mol-ecules are linked into polymeric chains along the b-axis direction.

| S-EPMC2979839 | biostudies-literature

catena-Poly[[(diiodidocadmium)-μ-{1-[(1H-benzimidazol-2-yl)meth-yl]-1H-imidazole-κN:N'}] N,N-dimethyl-formamide monosolvate].

Project description:In the title complex, {[CdI(2)(C(11)H(10)N(4))]·C(3)H(7)NO}(n), the Cd(II) ion is four-coordinated by two N atoms from two 1-[(1H-benzimidazol-1-yl)meth-yl]-1H-imidazole (bmi) ligands and by two terminal I(-) anions in a distorted tetra-hedral geometry. One of the two I(-) anions is disordered over two sets of sites, with refined occupancies of 0.66 (5) and 0.34 (5). The Cd(II) ions are bridged by bmi ligands, leading to the formation of a chain along [001]. Dimethyl-formamide solvent mol-ecules are located between these chains. Classical N-H⋯O hydrogen bonding between the bmi ligands and the solvent mol-ecules leads to a consolidation of the structure.

| S-EPMC3238781 | biostudies-literature

catena-Poly[copper(I)-bis-[μ-3-(1H-imidazol-2-yl)pyridine]-copper(I)-di-μ-iodido].

Project description:The title polymeric compound, [Cu(2)I(2)(C(8)H(7)N(3))(2)](n) [C(8)H(7)N(3) = 3-(1H-imidazol-2-yl)pyridine (HIPy), where HIPy comes from the in situ deca-rboxylation of 2-(pyridin-3-yl)-1H-imidazole-4,5-dicarb-oxy-lic acid (H(3)PyIDC)], was obtained under solvo-thermal conditions. Each Cu(I) cation is in a distorted tetra-hedral coordination environment defined by two iodide anions and two nitro-gen atoms from two individual HIPy ligands. Two Cu(I) atoms are connected by two HIPy ligands to form a dimer and these dimers are further bridged through the iodide atoms, leading to a chain structure extending parallel to [100]. Moreover, inter-molecular N-H⋯I hydrogen bonds and weak π-π stacking inter-actions [centroid⋯centroid distances of 3.809 (4) Å, an inter-planar separation of 3.345 (3) Å and a ring slippage of 1.822 Å] between pyridyl rings link the chains into a two-dimensional supra-molecular network in the ac plane.

| S-EPMC3200664 | biostudies-literature

2,6-Bis(1H-benzimidazol-2-yl)pyridine butyric acid monosolvate dihydrate.

Project description:In the title compound, C(19)H(13)N(5)·C(4)H(8)O(2)·2H(2)O, the mol-ecular skeleton of the 2,6-bis-(benzimidazol-2-yl)pyridine (bbip) mol-ecule is essentially planar (r.m.s. deviation = 0.023?Å). An extensive three-dimensional network of inter-molecular N-H?O, O-H?O and O-H?N hydrogen bonds consolidates the crystal packing, which also exhibits ?-? inter-actions between the five- and six-membered rings from neighbouring bbip mol-ecules.

| S-EPMC3379394 | biostudies-literature

Crystal structure of catena-poly[[silver(I)-{μ-2,6-bis-[(1H-pyrazol-1-yl)meth-yl]pyridine-κ(3) N (1),N (2):N (2')}] nitrate].

Project description:In the title complex, {[Ag(C13H13N5)]NO3} n , the Ag(I) atom is coordinated by three N atoms from two bidentate/monodentate pyrazolylpyridyl ligands to form a distorted trigonal-planar geometry [range of angles: 83.34 (6) (chelate ring) to 139.15 (7) °]. The chelate ring has a distorted boat conformation. The dihedral angle between the pyridyl ring and the coordinating pyrazolyl ring is 67.22 (6)°. The non-coordinating pyrazolyl ring is twisted by 62.97 (7)° from the pyridyl ring. In the crystal, the complex cations are arranged in polymeric chains along the c-axis direction, with the nitrate counter-anions situated in between. Weak C-H⋯O hydrogen bonds link the ions into a three-dimensional network.

| S-EPMC4438834 | biostudies-literature

catena-Poly[[[1,2-bis-(benzimidazol-2-yl)ethane]cadmium(II)]-μ-sebacato].

Project description:In the title compound, [Cd(C(10)H(16)O(4))(C(16)H(14)N(4))](n), the Cd(II) ion is six-coordinated in a distorted octa-hedral geometry by four carboxyl-ate O atoms from two sebacate ligands and two N atoms from the chelating 1,4-bis-(2-benzimidazol-yl)ethanebutane ligand. Neighboring Cd(II) ions are bridged by the sebacate ligands, forming a zigzag polymeric chain structure. The chains are further extended into a three-dimensional supra-molecular structure through inter-molecular N-H⋯O hydrogen bonds.

| S-EPMC2983954 | biostudies-literature

catena-Poly[[[dichloridozinc(II)]-?-1,4-bis-(1H-benzimidazol-2-yl-?N)butane] 1,4-bis-(1H-benzimidazol-2-yl)butane solvate].

Project description:In the crystal structure of the title coordination polymer/co-crystal, {[ZnCl(2)(C(18)H(18)N(4))]·C(18)H(18)N(4)}(n), the tetrahedrally coordinated Zn(II) ions are linked by the N-heterocycle into a linear chain. Another N-heterocycle present is not coordinated to the metal atom but inter-acts with the chain through N-H?N and N-H?Cl hydrogen bonds. The butyl chain of the uncoordinated ligand is disordered over three positions in a 0.511?(4):0.289?(5):0.200?(5) ratio.

| S-EPMC2980004 | biostudies-literature

catena-Poly[[[bis-[aqua-nickel(II)]bis-(μ-pyridine-2,6-dicarboxyl-ato N-oxide)]-μ-1,2-di-4-pyridylethane] tetra-hydrate].

Project description:In the title compound, {[Ni(2)(C(7)H(3)NO(5))(2)(C(12)H(12)N(2))(H(2)O)(2)]·4H(2)O}(n), two Ni(II) ions, two tridentate pyridine-2,6-dicarboxyl-ate N-oxide ligands and two coordinated water mol-ecules form centrosymmetric dinuclear units, which are further bridged by centrosymmetric 1,2-di-4-pyridylethane ligands into polymeric chains along [210]. Each Ni(II) ion has a distorted square-pyramidal environment, with the basal plane formed by three O [Ni-O = 1.9290 (16)-1.9588 (10) Å] and one N [Ni-N = 1.9828 (18) Å] atoms and the apical position occupied by the water mol-ecule [Ni-O = 2.2643 (11) Å]. The water mol-ecules are involved in the formation of O-H⋯O hydrogen bonds.

| S-EPMC2959744 | biostudies-literature

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