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Catena-Poly[[diaqua-bis-(isoquinoline-κN)cobalt(II)]-μ-succinato-κO:O].

ABSTRACT: In the title compound, [Co(C(4)H(4)O(4))(C(9)H(7)N)(2)(H(2)O)(2)](n), the Co(II) cation, located on an inversion center, is coordinated by two succinate anions, two isoquinoline ligands and two water mol-ecules in a distorted octa-hedral geometry. The succinate anion, located across another inversion center, bridges the Co cations, forming polymeric chains running along the b axis. The partially overlapped arrangement of parallel isoquinoline ring systems of adjacent polymeric chains and the shorter face-to-face distance of 3.402 (6) Å indicates the existence of weak π-π stacking in the crystal structure. Classical intra- and inter-molecular O-H⋯O hydrogen bonding and weak non-classical inter-molecular C-H⋯O hydrogen bonding help to stabilize the crystal structure.

SUBMITTER: Li MJ

PROVIDER: S-EPMC3006983 | biostudies-literature |

REPOSITORIES: biostudies-literature

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catena-Poly[[diaqua-cobalt(II)]-bis-(μ-4-fluoro-benzoato-κO:O')].

Project description:The hydro-thermal reaction of CoCO(3) and 4-fluoro-benzoic acid afforded the title Co(II) complex, [Co(C(7)H(4)FO(2))(2)(H(2)O)(2)](n). The Co(II) atom is located on an inversion center and is coordinated by six O atoms from two water mol-ecules and four μ(2)-carboxyl-ate groups of 4-fluoro-benzoate anions, forming a distorted CoO(6) octa-hedron, with Co-O bond lengths in the range 2.071 (2)-2.130 (2) Å. All adjacent O-Co-O angles are in the range 84.78 (6)-95.22 (6)° and opposite angles are 180.0°. Each μ-carboxyl-ate group of the 4-fluoro-benzoate anions bridges two symmetry-related Co(II) atoms. Hydrogen-bonding inter-actions of the coordinated water mol-ecules further connect the cobalt-carboxyl-ate units, forming layers perpendicular to the a axis. The cobalt-oxygen layers are encased in a sandwich-like fashion by layers of π-stacked 4-fluoro-benzoate anions. Within these layers the benzene rings of the 4-fluoro-benzoate anions are π-stacked, with centroid-centroid distances of 3.432 (4) Å.

| S-EPMC2977626 | biostudies-literature

catena-Poly[[[diaqua-bis(1H-indole-3-acetato-κO)cobalt(II)]-μ-4,4'-bipyridine-κN:N'] tetra-hydrate].

Project description:The 4,4'-bipyridine spacer in the title compound, [Co(C(10)H(8)NO(2))(2)(C(10)H(8)N(2))(H(2)O)(2)]·4H(2)O, links the diaqua-cobalt(II) dicarboxyl-ate units into a linear chain; the metal atom lies on a center of inversion in an octa-hedral environment. The coordinated and uncoordinated water mol-ecules inter-act through O-H⋯O hydrogen bonds to form a three-dimensional network.

| S-EPMC2961286 | biostudies-literature

catena-Poly[[diaqua-dipyridine-zinc(II)]-μ-succinato].

Project description:In the title compound, [Zn(C(4)H(4)O(4))(C(5)H(5)N)(2)(H(2)O)(2)](n), the Zn(II) ion (site symmetry ) is coordinated in an octahedral geometry by two pyridine mol-ecules, two water mol-ecules and two bridging centrosymmetric O-monodentate succinate dianions to create one-dimensional polymeric chains. The chains are cross-linked by O-H⋯O hydrogen bonds, forming sheets.

| S-EPMC2961033 | biostudies-literature

catena-Poly[[(dimethyl-formamide-κO)cobalt(II)]-bis-[μ-(4-nitro-phenyl)-cyanamido]-κN:N;κN:N].

Project description:In the title coordination polymer, [Co(C(7)H(4)N(3)O(2))(2)(C(3)H(7)NO)](n), the Co(II) atom is five-coordinated in a distorted square-pyramidal CoON(4) geometry with the O atom from a dimethyl-formamide mol-ecule in an equatorial position. The bridging phenyl-cyanamide anions generate an infinite chain propagating in [001].

| S-EPMC2983514 | biostudies-literature

catena-Poly[[diaqua-magnesium(II)]-bis-(μ-5-ammonio-isophthalato-κO:O)].

Project description:In the title compound, [Mg(C(8)H(6)NO(4))(2)(H(2)O)(2)](n), the Mg(II) ion lies on a twofold roatation axis and is coordinated in a slightly distorted octa-hedral environment. Pairs of bridging ammonium-isophthalate ligands connect symmetry-related Mg(II) ions, forming chains along [010]. In the crystal, inter-molecular O-H⋯O and N-H⋯O hydrogen bonds link these chains into a three-dimensional network. The centroids of pairs of symmetry-related benzene rings within a chain are separated by 3.5707 (12) Å.

| S-EPMC3009009 | biostudies-literature

Poly[diaqua-bis(μ-azido-κN:N)bis-(μ(3)-1-oxoisonicotinato-κO:O':O'')dicadmium(II)].

Project description:In the title compound, [Cd(2)(C(6)H(4)NO(3))(2)(N(3))(2)(H(2)O)(2)](n), one Cd(II) atom is located on an inversion center and is coordinated by four O atoms from four bridging 1-oxoisonicotinate ligands and two N atoms of two bridging azide ligands in a slightly distorted octa-hedral geometry. The other Cd(II) atom, also lying on an inversion center, is coordinated by four O atoms from two bridging 1-oxoisonicotinate ligands and two water mol-ecules and two N atoms of two bridging azide ligands in a slightly distorted octa-hedral geometry. The Cd atoms are connected via the 1-oxoisonicotinate and azide ligands into a two-dimensional coordination network. The crystal structure involves O-H⋯N and O-H⋯O hydrogen bonds.

| S-EPMC2961384 | biostudies-literature

catena-Poly[[(2,2'-bipyridine-κN,N')cobalt(II)]-μ-oxalato-κO,O:O,O].

Project description:In the one-dimensional title coordination polymer, [Co(C(2)O(4))(C(10)H(8)N(2))](n), the Co(II) atom is coordinated in a distorted octa-hedral geometry by two N atoms from one 2,2'-bipyridine ligand and four O atoms belonging to two chelating oxalate ligands. Two neighboring Co centers are bridged by an oxalate ligand, forming a one-dimensional chain structure.

| S-EPMC2977569 | biostudies-literature

catena-Poly[[bis-(pyridine-κN)nickel(II)]-μ-oxalato-κO,O:O,O].

Project description:The title compound, [Ni(C(2)O(4))(C(5)H(5)N)(2)](n), was synthesized under hydro-(solvo)thermal conditions. The Ni(II) atom, lying on a twofold rotation axis, has an octa-hedral coordination geometry involving two N atoms from two pyridine ligands and four O atoms from two oxalate ligands. The Ni atoms are connected by the tetra-dentate bridging oxalate ligands into a one-dimensional zigzag chain.

| S-EPMC2961960 | biostudies-literature

catena-Poly[[bis-(1-methyl-imidazole-κN)zinc(II)]-μ-isophthalato-κO:O].

Project description:In the solid state, the title compound, [Zn(C(8)H(4)O(4))(C(4)H(6)N(2))(2)](n), exhibits the existence of polymeric zigzag chains extending along the a axis. Each Zn(II) ion is coordinated by two N atoms [Zn-N = 1.996 (6) and 2.032 (5) Å] and two O atoms [Zn-O = 1.930 (4) and 1.976 (4) Å] in a distorted tetra-hedral geometry. Weak C-H⋯O inter-actions contribute to the crystal packing stability.

| S-EPMC2959463 | biostudies-literature

catena-Poly[[diaqua-(2,2'-bipyridine-κN,N')nickel(II)]-μ-biphenyl-2,2'-dicarboxyl-ato-κO:O'].

Project description:In the title compound, [Ni(C(14)H(8)O(4))(C(10)H(8)N(2))(H(2)O)(2)](n), the Ni(II) atom is coordinated in a slightly distorted octa-hedral geometry by two water mol-ecules, two N atoms from a 2,2'-bipyridine ligand and two O atoms from the carboxyl-ate groups of two 2,2'-biphenyl-dicarboxyl-ate (2,2'-dpa) ligands. The 2,2'-dpa ligand acts as a bridge between neighbouring Ni(II) atoms, forming one-dimensional coordination polymers along [100]. The coordinated water mol-ecules form hydrogen bonds to the carboxyl-ate O atoms of 2,2'-dpa within the same coordination polymer, and one O-H⋯π inter-action is also formed to 2,2'-dpa.

| S-EPMC2959859 | biostudies-literature

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