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Poly[(μ(2)-1,3-di-4-pyridyl-propane)(μ(3)-1,3-phenyl-enediacetato)-cadmium].

ABSTRACT: In the title compound, [Cd(C(10)H(8)O(4))(C(13)H(14)N(2))](n), two symmetry-related Cd atoms are bridged by two carboxyl-ate O atoms into a binuclear Cd(2) subunit around an inversion center. The Cd atom has a distorted penta-gonal-bipyramidal environment, defined by five O atoms from three different 1,3-phenylendiacetate (1,3-pda) ligands and two N atoms from two 1,3-di-4-pyridyl-propane (bpp) ligands. Each Cd(2) subunit is linked to four different Cd(2) subunits by four 1,3-pda ligands and four bpp ligands, forming a two-dimensional network with rhombic grids (12.50 × 12.50 Å(2)) extending along the ab plane.

SUBMITTER: Liu D

PROVIDER: S-EPMC3246964 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Crystal structure of catena-poly[[di-aqua-cadmium(II)]-μ-3,3'-(1,3-phenyl-ene)diacrylato].

Project description:In the crystal of the title polymeric complex, [Cd(C12H8O4)(H2O)2] n , the Cd(II) cation, located on a twofold rotation axis, is coordinated by two water mol-ecules and chelated by two phenyl-enediacrylate anions (mpda) in a distorted octa-hedral geometry. The mpda anions bridge the Cd(II) cations, forming helical chains propagating along the c-axis direction. The mpba anion has twofold symmetry with two benzene C atoms located on the twofold rotation axis. In the crystal, O-H⋯O hydrogen bonds link the polymeric helical chains into a three-dimensional supra-molecular architecture.

| S-EPMC4438799 | biostudies-literature

catena-Poly[cadmium-?-[1,3-bis-(imidazol-1-yl)propane]-di-?-chlorido].

Project description:The title complex, [CdCl(2)(C(9)H(12)N(4))](n), is characterized by the formation of a zigzag chain structure parallel to [001]. In the chain, the Cd(2+) cation is coordinated by four bridging Cl(-) ligands in equatorial positions and two N atoms from symmetry-related and likewise bridging 1,3-bis-(imidazol-1-yl)propane ligands in axial positions, forming a distorted CdCl(4)N(2) octa-hedron.

| S-EPMC3379108 | biostudies-literature

catena-Poly[[[diaqua-cobalt(II)]bis-(μ-1,3-di-4-pyridylpropane-κN:N')] bis-(perchlorate) bis-(1,3-di-4-pyridyl-propane) bis-(2-methyl-4-nitro-aniline)].

Project description:In the title compound, {[Co(C(13)H(14)N(2))(2)(H(2)O)(2)](ClO(4))(2)·2C(13)H(14)N(2)·2C(7)H(8)N(2)O(2)}(n), the Co(II) ion lies on a crystallographic inversion center and is coordinated by four N atoms from four symmetry-related 1,3-di-4-pyridylpropane ligands and two O atoms from two water ligands in a slightly distorted octa-hedral coordination environment. The 1,3-di-4-pyridylpropane ligands are doubly bridging and connect the Co(II) ions into one-dimensional chains. The asymmetric unit also contains one uncoordinated 1,3-di-4-pyridylpropane mol-ecule, one 2-methyl-4-nitro-aniline mol-ecule and one perchlorate anion. In the crystal structure, inter-molecular O-H⋯N hydrogen bonds connect the one-dimensional chains into a two-dimensional network.

| S-EPMC2960494 | biostudies-literature

catena-Poly[cadmium(II)-(μ-3-ammonio-3-phenyl-propanoato-κO:O')-di-μ-chlorido].

Project description:The title compound, [CdCl(2)(C(9)H(11)NO(2))](n), is a coordination polymer prepared by the hydro-thermal reaction of cadmium(II) chloride and 3-amino-3-phenyl-propanoic acid. Geometric parameters are in the usual ranges. The cadmium cation is octa-hedrally coordinated by four Cl atoms at equatorial sites and two O atoms from two ligands at the axial sites. The material is composed of one-dimensional extended polymeric chains in which two Cl atoms bridge Cd atoms. The crystal structure is stabilized by an intra-molecular N-H⋯O hydrogen bond.

| S-EPMC2961993 | biostudies-literature

Bis(benzoyl-acetonato)bis-(1,3-di-4-pyridyl-propane)manganese(II).

Project description:In the title compound, [Mn(C(10)H(9)O(2))(2)(C(13)H(14)N(2))(2)], the Mn(II) ion lies on a crystallographic inversion center and has a slightly distorted octa-hedral coordination environment. Weak π-π stacking inter-actions, with centroid-centroid distances of 3.862 (2) and 3.887 (5) Å, and significant C-H⋯π inter-actions help to stabilize the crystal structure. The atoms of the unique terminal 4-pyridine-propane group are disordered over two sites, the ratio of refined occpancies being 0.712 (7):0.288 (7).

| S-EPMC2969015 | biostudies-literature

1,1'-(Propane-1,3-di-yl)bis-(3-phenyl-urea).

Project description:The title compound, C(17)H(20)N(4)O(2), has crystallographic inversion symmetry. In the crystal structure, inter-molecular hydrogen bonding between adjacent urea groups gives rise to infinite polymeric chains diagonally across the bc plane. With a centroid-centroid distance of 3.295?(2)?Å, ?-? stacking is present in the crystal along the same plane.

| S-EPMC3201411 | biostudies-literature

Poly[bis-[μ-1,3-bis-(diphenyl-phosphan-yl)propane-κP:P']-di-μ-thio-cyanato-κS:N;κN:S-disilver(I)].

Project description:In the title coordination polymer, [Ag(2)(NCS)(2)(C(27)H(26)P(2))(2)](n), two centrosymmetrically related Ag(+) cations are linked by two thio-cyanate anions into binuclear eight-membered macrocycles. The Ag⋯Ag separation within the macrocycle is 5.4400 (6) Å. The distorted tetra-hedral coordination about each metal atom is completed by the P atoms of two bridging 1,3-bis-(diphenyl-phosphan-yl)propane ligands, forming polymeric ribbons parallel to the a axis.

| S-EPMC3246955 | biostudies-literature

Poly[tetra-kis[μ(2)-1,3-bis-(4-pyrid-yl)propane-κN:N']dichloridobis(phenyl-acetato)dimanganese(II)].

Project description:In the title compound, [Mn(2)(C(8)H(7)O(2))(2)Cl(2)(C(13)H(14)N(2))(4)](n), the two Mn(II) atoms lie on inversion centers and are connected by the N-heterocyclic ligands into a wave-like lamellar framework structure. One Mn(II) atom is covalently bonded to two Cl atoms and the other to two benzyl-acetate anions; both Mn atoms show distorted octahedral coordinations.

| S-EPMC2983499 | biostudies-literature

Poly[dichloridobis[μ-1-(4-pyridyl-meth-yl)-1,2,4-triazole]cadmium(II)].

Project description:In the title coordination polymer, [CdCl(2)(C(8)H(8)N(4))(2)](n), the Cd(II) atom, lying on an inversion center, is coordinated by two Cl atoms and two triazole N atoms and two pyridyl N atoms from four 1-(4-pyridyl-meth-yl)-1,2,4-triazole (pmta) ligands in a distorted trans-CdCl(2)N(4) octa-hedral arrangement. The bridg-ing pmta ligands, with a dihedral angle between the triazole and pyridyl rings of 71.86 (8)°, link the Cd atoms into a 4(4) sheet parallel to (02). π-π inter-actions between the triazole rings [centroid-centroid distance = 3.428 (2) Å] connect the sheets.

| S-EPMC2983120 | 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

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