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Catena-Poly[1,1'-dimethyl-4,4'-(ethane-1,2-di-yl)dipyridinium [lead(II)-tri-μ-iodido-lead(II)-tri-μ-iodido]].

ABSTRACT: The title compound, {(C(14)H(18)N(2))[Pb(2)I(6)]}(n), consists of discrete 1,1'-dimethyl-4,4'-(ethane-1,2-di-yl)dipyridinium cations and one-dimensional [Pb(2)I(6)](n) anions. The organic cation has an inversion center at the mid-point of the ethane C-C bond. In the anion, the Pb(II) atom is coordinated by six I atoms in a distorted octa-hedral geometry. The I atoms bridge the Pb(II) atoms into a polymeric chain running along [001]. These inorganic chains are separated by the isolated organic cations.

SUBMITTER: Xu G

PROVIDER: S-EPMC3151972 | biostudies-literature |

REPOSITORIES: biostudies-literature

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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[[dichloridoiron(II)]-μ-4,4''-bis-(benzimidazol-1-yl)-1,1':4',1''-terphen-yl].

Project description:In the title coordination polymer, [FeCl(2)(C(32)H(22)N(4))](n), the Fe(II) atom lies on a crystallographic twofold axis and a distorted FeCl(2)N(2) tetra-hedral coordination geometry arises. The complete ligand is generated by crystallographic twofold symmetry, resulting in an infinite one-dimensional architecture along [101].

| S-EPMC2983580 | biostudies-literature

1,1'-Dimethyl-4,4'-(propane-1,3-di-yl)dipyridinium tetra-bromidocadmate(II).

Project description:In the cation of the title compound, (C(15)H(20)N(2))[CdBr(4)], the dihedral angle between the two pyridine rings is 70.85?(5)°. An inter-molecular ?-? inter-action between the pyridine rings [centroid-centroid distance = 3.900?(4)?Å] is observed. The Cd(II) atom has a distorted tetra-hedral coordination.

| S-EPMC2959373 | biostudies-literature

1,1'-(Ethane-1,2-di-yl)dipyridinium dichromate(VI).

Project description:In the cation of the title salt, (C(12)H(14)N(2))[Cr(2)O(7)], the two pyridinium moieties are in an anti orientation with respect to one another. The dihedral angle between the pyridine rings is 6.3?(2)°. The N-C-C-N torsion angle is 177.5?(2)°. In the dianion, the Cr(VI) ions are in a slightly distorted tetra-hedral coordination environment and the bond angles at the independent Cr(VI) ions are in the ranges 105.93?(10)-110.60?(11) and 107.35?(11)-111.07?(12)°. The Cr-O-Cr angle is 127.96?(12)°. The crystal used was an inversion twin with refined components of 0.510?(19) and 0.490?(19).

| S-EPMC3297257 | biostudies-literature

1,1'-(Ethane-1,2-di-yl)dipyridinium bis-(iodate).

Project description:The title salt, C(12)H(14)N(2) (2+)·2IO(3) (-), exhibits two crystallographically independent iodate anions, the I atoms of which are each in a trigonal-pyramidal environment. In the dication, the two pyridine rings adopt an anti conformation with respect to each other; the angle between these two rings is 3.84 (19)°. In the crystal structure, C-H⋯O hydrogen bonds between the cations and anions lead to the formation of layers arranged parallel to the ab plane. I⋯O halogen bonds [R(2) (2)(4) graph-set motif] range between 2.873 (2) and 3.036 (3) Å and connect neighbouring IO(3) (-) anions with each other along [100], so as to create a three-dimensional network.

| S-EPMC3151914 | biostudies-literature

catena-Poly[1-[(2-fluoro-benzyl-idene)amino]-quinolinium [plumbate(II)-tri-?-iodido]].

Project description:The title complex, {(C(16)H(12)FN(2))[PbI(3)]}(n), consists of 1-[(2-fluoro-benzyl-idene)amino]-quinolinium cations and a polymeric PbI(3) (-) anion formed by face-sharing PbI(6) octa-hedra. These octa-hedra form straight and regular infinite chains along the b axis. In the asymmetric unit, one cation and one anionic [PbI(3)](-) fragment are observed in general positions. Polymeric chains are produced by the glide plane perpendicular to the a axis.

| S-EPMC3254297 | biostudies-literature

4,4'-(Ethane-1,2-diyl)dipyridinium bis-(2-hy-droxy-benzoate).

Project description:In the crystal structure of the title compound, C(12)H(14)N(2) (2+)·2C(7)H(5)O(3) (-), the cations and anions are linked via N-H?O hydrogen bonds and weak inter-molecular C-H?O inter-actions also occur. ?-? stacking is observed between the nearly parallel benzene and pyridine rings [dihedral angle = 6.03?(8)°], the centroid-centroid separation being 3.7546?(16)?Å. The 4,4'-(ethane-1,2-diyl)dipyridinium cation is centrosymmetric and the mid-point of the ethyl-ene C-C bond is located on an inversion center. An intra-molecular O-H?O hydrogen bond occurs in the anion.

| S-EPMC3009235 | biostudies-literature

Syntheses, crystal structures and thermal properties of catena-poly[cadmium(II)-di-μ-bromido-μ-pyridazine-κ2N1:N2] and catena-poly[cadmium(II)-di-μ-iodido-μ-pyridazine-κ2N1:N2]

Project description:In the crystal structures of the title compounds, the cadmium cations are octahedrally coordinated by four halide anions and two pyridazine ligands in a trans-CdX4N2 (X = Br, I) arrangement and are linked into chains by the halide anions and the pyridazine ligands. The reactions of cadmium bromide and cadmium iodide with pyridazine (C4H4N2) in ethanol under solvothermal conditions led to the formation of crystals of [CdBr2(pyridazine)]n (1) and [CdI2(pyridazine)]n (2), which were characterized by single-crystal X-ray diffraction. The asymmetric units of both compounds consist of a cadmium cation located on the intersection point of a twofold screw axis and a mirror plane (2/m), a halide anion that is located on a mirror plane and a pyridazine ligand, with all atoms occupying Wyckoff position 4e (mm2). These compounds are isotypic and consist of cadmium cations that are octahedrally coordinated by four halide anions and two pyridazine ligands and are linked into [100] chains by pairs of μ-1,1-bridging halide anions and bridging pyridazine ligands. In the crystals, the pyridazine ligands of neighboring chains are stacked onto each other, indicating π–π interactions. Larger amounts of pure samples can also be obtained by stirring at room-temperature, as proven by powder X-ray diffraction. Measurements using thermogravimetry and differential thermoanalysis (TG-DTA) reveal that upon heating all the pyridiazine ligands are removed in one step, which leads to the formation of CdBr2 or CdI2.

| S-EPMC10088319 | 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[[diaquazinc(II)]-μ-trans-4,4'-diazenediyldibenzoato-κO,O':O'',O'''].

Project description:The title compound, [Zn(C(14)H(8)N(2)O(4))(H(2)O)(2)](n), consists of zigzag chains of Zn atoms bridged by azobenzene-4,4'-dicarboxyl-ate ligands. The Zn(II) atom, lying on a twofold rotation axis, is coordinated by four O atoms from the carboxyl-ate groups and two water mol-ecules, giving rise to a considerably distorted octa-hedral coordination envionment. The ligand lies on an inversion center. In the crystal structure, π-π inter-actions between the ligands [inter-planar distance = 3.527 (3) Å] assemble the chains into a sheet-like structure. O-H⋯O hydrogen bonds between the coordinated water mol-ecules and carboxyl-ate O atoms connect the sheets into a three-dimensional network.

| S-EPMC2977570 | biostudies-literature

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