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Catena-Poly[[dichloridocobalt(II)]-μ-1,2-di-4-pyridylethane-κN:N'].

ABSTRACT: In the title compound, [CoCl(2)(C(12)H(12)N(2))], the Co(II) atom is coordinated in a tetra-hedral geometry by the N atoms of two different 1,3-di-4-pyridylpropane ligands. The compound adopts a linear chain structure.

SUBMITTER: Wang ZM

PROVIDER: S-EPMC2960972 | biostudies-literature |

REPOSITORIES: biostudies-literature

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catena-Poly[[dichloridocobalt(II)]-μ-1,3-di-4-pyridylpropane-κN:N'].

Project description:In the title compound, [CoCl(2)(C(13)H(14)N(2))](n), 1,3-bis-(4-pyrid-yl)propane (bpp) ligands bridge four-coordinate Co atoms, generating an extended one-dimensional zigzag chain. Both the Co and two Cl atoms in the tetrahedral coordination polyhedron lie on a mirror plane, while the bbp ligand is bis-ected through the central C atom in the chain by a second mirror plane. There are some π-π stacking inter-ations in the crystal structure, with inter-planar distances of 3.449 Å, which are responsible for the supra-molecular assembly.

| S-EPMC2961947 | biostudies-literature

catena-Poly[[bis-(3-benzoyl-pyridine-κN)zinc(II)]-di-μ-dicyanamido-κN:N].

Project description:The title compound, [Zn(C(2)N(3))(2)(C(12)H(9)NO)(2)](n), is a polymeric zinc(II) complex with the metal ion located on an inversion centre. The Zn(II) ion is six-coordinated by two N atoms of two 3-benzoyl-pyridine ligands and four N atoms from four dicyanamide ligands, forming a slightly distorted octa-hedral configuration. In the crystal structure, neighboring Zn atoms are linked together by double dicyanamide bridges to form a polymeric zinc(II) complex.

| S-EPMC2961919 | biostudies-literature

catena-Poly[(E)-4,4'-(ethane-1,2-di-yl)dipyridinium [[bis-(thio-cyanato-κN)ferrate(II)]-di-μ-thio-cyanato-κN:S;κS:N]].

Project description:In the crystal structure of the title compound, {(C(12)H(14)N(2))[Fe(NCS)(4)]}(n), the iron(II) cation is coordinated by four N-bonded and two S-bonded thio-cyanate anions in a distorted octa-hedral coordination mode. The asymmetric unit consists of half an iron(II) cation and half a protonated (E)-4,4'-(ethane-1,2-di-yl)dipyridinium dication, each located on a centre of inversion. In addition, there are two thio-cyanate anions in general positions. The crystal structure consists of Fe-(NCS)(2)-Fe chains in which each iron(II) cation is additionally coordinated by two terminal N-bonded thio-cyanate anions. Non-coordinating dipyridinium dications are present between the thiocyanatoferrate(II) chains and are connected to the anions via N-H⋯N and N-H⋯S hydrogen-bond interactions.

| S-EPMC3246934 | biostudies-literature

catena-Poly[[bis-(pyrazine-2-carbox-amide-κN)mercury(II)]-di-μ-bromido].

Project description:In the crystal structure of the title compound, [HgBr(2)(C(5)H(5)N(3)O)(2)](n), the Hg(II) cation is located on an inversion center and is coordinated by two N atoms from the pyrazine rings and four bridging Br(-) anions in a distorted octa-hedral geometry. The Br(-) anions bridge the Hg(II) cations with significantly different Hg-Br bond distances of 2.4775 (8) and 3.1122 (8) Å, forming polymeric chains running along the a axis. Inter-molecular N-H⋯O and N-H⋯N hydrogen bonds are effective in the stabilization of the crystal structure.

| S-EPMC2979956 | biostudies-literature

catena-Poly[[bis-(nitrato-κO,O')copper(II)]-μ-2,2'-(ethane-1,2-diyldithio)di-1,3,4-thia-diazole-κN:N].

Project description:In the title compound, [Cu(NO(3))(2)(C(6)H(6)N(4)S(4))](n), the Cu(II) atom, occupying a crystallographic inversion centre, is six-coordinated by two N atoms of two 2,2'-[1,2-ethane-diyl-bis-(thio)]bis-[1,3,4-thia-diazole] ligands in trans positions, and four O atoms from two symmetry-related opposite nitrate anions, which are asymmetrically bonded, resulting in a strong distorted octa-hedral geometry of the central atom. The ethane group is equally disordered over two sites via another inversion centre. The bridging bidentate 2,2'-[1,2-ethanediylbis(thio)]bis-[1,3,4-thia-diazole] ligands link the Cu(II) centres into a one-dimensional chain. The chains are inter-connected via inter-molecular S⋯O inter-actions [3.044 (4) and 3.084 (5) Å] and weak C-H⋯O hydrogen bonds, generating a three-dimensional supra-molecular structure.

| S-EPMC2967916 | biostudies-literature

catena-Poly[[diiodidomercury(II)]-μ-nicotine-κN:N'].

Project description:The title polymeric complex, [HgI(2)(C(10)H(14)N(2))](n), was prepared from a solution of nicotine, mercury(II) iodide and 4-cyano-pyridine in dimethyl-formamide. Each nicotine mol-ecule is bonded to two Hg atoms, one through the pyrrolidine N atom and the other through the pyridine N atom, forming infinite zigzag polymeric chains. The coordin-ation around mercury is completed by two iodide ligands, resulting in a distorted tetra-hedral arrangement.

| S-EPMC2961948 | biostudies-literature

catena-Poly[[bis-(2-hydr-oxy-2-phenyl-acetato-κO,O)zinc(II)]-μ-1,2-di-4-pyridylethane-κN:N'].

Project description:The title compound, [Zn(C(8)H(6)O(3))(2)(C(12)H(12)N(2))](n), consists of [Zn(Hopa)(2)] (H(2)opa = 2-hydr-oxy-2-phenyl-acetic acid or mandelic acid) units bridged by 1,2-di-4-pyridylethane (bpe) ligands, forming a polymeric chain developing parallel to the b axis. The bridging bpe ligand is arranged around a twofold axis passing through the middle of the ethane C-C bond. The geometry around the Zn(II) ion is distorted octa-hedral, constructed by four O atoms from two Hopa(-) ligands and two N atoms from two bridging bpe ligands. O-H⋯O hydrogen bonds link the chains, forming a three-dimensional network.

| S-EPMC2969950 | biostudies-literature

catena-Poly[[(2,9-dieth-oxy-1,10-phen-anthroline-κN,N')cadmium(II)]-di-μ-dicyan-amido-κN:N].

Project description:In the title polymer, [Cd(C(2)N(3))(2)(C(16)H(16)N(2)O(2))](n), the Cd(II) ion is coordinated by two N atoms from one 2,9-dieth-oxy-1,10-phenanthroline mol-ecule and four N atoms from four symmetry-related dicyanamide ions in a distorted octa-hedral geometry. In the 2,9-dieth-oxy-1,10-phenanthroline ligand, the O and C atoms of the eth-oxy groups are located almost in the plane defined by the phenanthroline ring system. Two dicyanamide ions bridge two Cd(II) ions, which are located on a twofold axis, forming a one-dimensional zigzag chain along the [001] direction. The 2,9-dieth-oxy-1,10-phenanthroline mol-ecules act as bidentate terminal ligands. There are π-π inter-actions between polymeric chains, characterized by a centroid-centroid distance of 3.7624 (2) Å between the phenanthroline rings of two neighbouring chains.

| S-EPMC2961958 | biostudies-literature

catena-Poly[[(2,2'-bipyrimidine-κN,N)diperchloratocopper(II)]-μ-4,4'-bipyridine-κN:N'].

Project description:The central CuN(4)O(2) motif of the title compound, [Cu(ClO(4))(2)(C(8)H(6)N(4))(C(10)H(8)N(2))](n), exhibits a Jahn-Teller-distorted octa-hedral geometry around the metal centre, showing a considerably long Cu-O bond distance of 2.634 (4) Å towards the second perchlorate group occupying the sixth coordination site, giving a (4+1+1)-type coordination mode. The 4,4'-bipyridine (bipy) ligands are highly twisted with respect to each other, the dihedral angle between the two pyridyl ring planes being 38.9 (2)°. The bipy ligands act as bridging ligands between [Cu(ClO(4))(2)(2,2'-bpym)] (2,2'-bpym is 2,2'-bipyrimidine) units, generating an infinite one-dimensional zigzag chain along [010]. Intra- and intermolecular C-H⋯O hydrogen bonds are present in the crystal structure.

| S-EPMC2961952 | biostudies-literature

catena-Poly[[bis-(pyridine-κN)cadmium]-di-μ(2)-thio-cyanato-κN:S;κS:N].

Project description:The asymmetric unit of the title compound, [Cd(NCS)(2)(C(5)H(5)N)(2)](n), consists of two crystallographically independent Cd(II) cations, four thio-cyanato anions and four pyridine ligands. The Cd(II) atoms are each coordinated by four N atoms from two pyridine ligands and two thio-cyanato anions, each in a mutually cis orientation, and by two S atoms from two adjacent thio-cyanato anions within a slightly distorted octa-hedral coordination environment. The Cd(II) atoms are μ-1,3-bridged via the thio-cyanato anions into polymeric chains parallel to [001]. The Cd(II)⋯Cd(II) intra-chain separations range between 5.9688 (6) and 6.0195 (6) Å, whereas the shortest Cd(II)⋯Cd(II) inter-chain separations are 7.8272 (7) and 8.6312 (6) Å.

| S-EPMC3099960 | biostudies-literature

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