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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 | 2010 Jun

REPOSITORIES: biostudies-literature

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

Li Meng-Jiao MJ Nie Jing-Jing JJ Xu Duan-Jun DJ

Acta crystallographica. Section E, Structure reports online 20100626 Pt 7

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 sho ...[more]

PMID: 21587752

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catena-Poly[[diaqua-bis-(3-methyl-pyridine-κN)cobalt(II)]-μ-sulfato-κO:O'].

Project description:The environment of the Co(II) ion in the title compound, [Co(SO(4))(C(6)H(7)N)(2)(H(2)O)(2)](n), exhibits an octa-hedral configuration with the two 3-methyl-pyridine ligands lying in cis positions with respect to each other and trans to the two coordinated water mol-ecules. The axial positions are occupied by O atoms of the sulfate ions. Co and S atoms occupy special positions (twofold axis, Wyckoff position 4c). Neighboring Co(II) ions are covalently connected with each other through the sulfate ions, thus creating infinite polymeric chains that run along the c axis. The water mol-ecules are connected with neighboring sulfate ions through strong O-H⋯O hydrogen bonds. Intra-molecular hydrogen bonds parallel to the propagation direction of the chains stabilize the polymeric chains, and inter-molecular hydrogen bonds between chains connect neighboring chains with each other, thus leading to polymeric double chains.

| S-EPMC3212146 | biostudies-literature

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-(formato-κO)cobalt(II)]-μ(2)-2,6-bis-(pyridin-4-yl)-4,4'-bipyridine-κN:N].

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

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| S-EPMC2961286 | biostudies-literature

catena-Poly[[diaqua-nickel(II)]-bis-(μ-pyridine-4-sulfinato)-κN,O;κO,N].

Project description:In the title coordination polymer, [Ni(C(5)H(4)NO(2)S)(2)(H(2)O)(2)](n), the Ni(II) ion is located on an inversion centre and is octa-hedrally coordinated by two N and two O atoms of four symmetry-related and deprotonated pyridine-4-sulfinate (ps) ligands together with two water mol-ecules in axial positions. The ps(-) anions, acting as μ(2)-bridging ligands, link neighbouring Ni(II) ions into a chain structure along the c axis. These polymeric chains are extended into a three-dimensional framework via inter-molecular O-H⋯O hydrogen bonds with participation of the water mol-ecules.

| S-EPMC2977425 | biostudies-literature

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

Project description:In the title compound, [Co(C(8)H(4)O(4))(C(5)H(8)N(2))(2)](n), each cobalt(II) ion is coordinated by two N and two O atoms in a distorted tetra-hedral geometry. The isophthalate ligands bridge the metal ions to form polymeric zigzag chains extending along the b axis. Weak C-H⋯O inter-actions contribute to the crystal packing stability.

| S-EPMC2959434 | biostudies-literature

catena-Poly[[diaqua-(4,4'-trimethyl-ene-dipyridine-κN)cobalt(II)]-μ-tereph-thalato-κO:O].

Project description:The title compound, [Co(C(8)H(4)O(4))(C(13)H(14)N(2))(2)(H(2)O)(2)](n), was obtained by the reaction of CoCl(2), 4,4'-trimethyl-enedipyridine and terephthalic acid in a 1:1:1 ratio. The octa-hedrally coordinated cobalt ions are bridged by 4,4'-trimethyl-enedipyridine ligands, generating a chain. These chains are further linked by O-H⋯O and O-H⋯N hydrogen bonds, giving a three-dimensional network.

| S-EPMC2968293 | 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[[diaqua-bis(thio-cyanato-κN)cobalt(II)]-μ-4,4'-bipyridine-κN:N'] 4,4'-bipyridine solvate].

Project description:In the title complex, {[Co(NCS)(2)(C(10)H(8)N(2))(H(2)O)(2)]·C(10)H(8)N(2)}(n), the Co(II) ion is located on an inversion centre and is coordinated by two N atoms from the two 4,4'-bipyridine ligands, two O atoms from the water mol-ecule, and two N atoms from two isothio-cyanate ions in a distorted octa-hedral environment. In the crystal, the coordinated water mol-ecules, isothio-cyanate ions and solvent 4,4'-bipyridine mol-ecules are linked by O-H⋯S and O-H⋯N hydrogen bonds into layers parallel to the ab plane.

| S-EPMC2969491 | biostudies-literature

catena-Poly[[bis-(2,4-dichloro-benzoato)bis-(methanol-κO)cobalt(II)]-μ-4,4'-bipyridine-κN:N'].

Project description:In the title compound, [Co(C(7)H(3)Cl(2)O(2))(2)(C(10)H(8)N(2))(CH(3)OH)(2)](n), the Co(II) ion lies on a twofold rotation axis and is in a slightly distorted octa-hedral CdO(4)N(2) environment, formed by two O atoms from monodentate dichloro-benzoate ligands, two O atoms from methanol ligands, and two N atoms from trans-related 4,4'-bipyridine ligands. The bipyridine ligands also lies on a twofold rotation axis and bridge the Co(II) ions, forming chains extending along [010]. An intra-chain O-H⋯O hydrogen bond is observed.

| S-EPMC3238628 | biostudies-literature

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