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Catena-Poly[[(2,2'-bipyridine-?N,N')cobalt(II)]-?-oxalato-?O,O:O,O].

ABSTRACT: In the title compound, [Co(C(2)O(4))(C(10)H(8)N(2))](n), the oxalate group chelates two adjacent metal atoms, resulting in a zigzag chain running along the a axis. The Co(II) centre exists in an all cis-octa-hedral coordination geometry.

SUBMITTER: Chang Y

PROVIDER: S-EPMC2970163 | biostudies-literature | 2009 Sep

REPOSITORIES: biostudies-literature

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

Chang Yan Y Zhang Kou-Lin KL Ng Seik Weng SW

Acta crystallographica. Section E, Structure reports online 20090926 Pt 10

In the title compound, [Co(C(2)O(4))(C(10)H(8)N(2))](n), the oxalate group chelates two adjacent metal atoms, resulting in a zigzag chain running along the a axis. The Co(II) centre exists in an all cis-octa-hedral coordination geometry. ...[more]

PMID: 21577760

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

Project description:The title compound, [Ni(C(2)O(4))(C(10)H(8)N(2))](n), is isostructural with its Mn(II), Fe(II), Cu(II) and Zn(II) analogues. Each Ni(II) atom is chelated by two oxalate ligands and one 2,2'-bipyridine, forming a slightly distorted octa-hedral geometry. Oxlate acts as a bridge to link neighbouring pairs of Ni(II) cations, forming a one-dimensional wave-like chain. The crystal showed partial inversion twinning.

| S-EPMC2959270 | biostudies-literature

catena-Poly[[(2,2'-bipyridine)-manganese(II)]-?(3)-4,4'-sulfonyl-dibenzoato].

Project description:In the title compound, [Mn(C(14)H(8)O(6)S)(C(10)H(8)N(2))](n), the Mn(II) ion is coordinated by four O atoms from three 4,4'-sulfonyl-dibenzoate (sdba) ligands and two N atoms from one 2,2'-bipyridine (2,2'-bipy) ligand in a distorted octa-hedral geometry. The manganese atoms are alternately bridged either by two sdba ligands, with an Mn?Mn separation of 12.284?(1)?Å, or by two carboxyl-ate groups from two sdba ligands, with an Mn?Mn separation of 4.064?(1)?Å, thus producing polymeric chains propagated in [101]. Weak inter-molecular C-H?O hydrogen bonds and ?-? inter-actions [centroid-centroid distance of 3.730?(3)?Å between the aromatic rings of neighbouring polymeric chains] further stabilize the crystal packing.

| S-EPMC3120441 | biostudies-literature

catena-Poly[[bis-(3,5-dicarboxy-benzo-ato)cobalt(II)]-?-4,4'-bipyridine].

Project description:In the title compound, [Co(C(9)H(5)O(6))(2)(C(10)H(8)N(2))](n), the asymmetric unit consists of one Co(2+) ion with site symmetry 2, one mono-deprotonated 1,3,5-benzene-tricarboxylic acid anion and one-half of a 4,4'-bipyridine (4,4'-bipy) mol-ecule, in which two N and two C atoms have site symmetry 2. In the crystal structure, the Co(2+) centre is coordinated by four O atoms from two bidentate carboxyl-ate groups of two anions and two N atoms of two 4,4'-bipy mol-ecules, resulting in infinite chains propagating in [010]. The cobalt coordination is distorted trans-CoO(4)N(2) octa-hedral and inter-chain O-H?O hydrogen bonds complete the structure.

| S-EPMC2959783 | biostudies-literature

catena-Poly[[(2,2'-bipyridine)copper(II)]-μ-5-tert-butyl-isophthalato].

Project description:In the crystal structure of the title polymeric compound, [Cu(C(12)H(12)O(4))(C(10)H(8)N(2))](n), the asymmetric unit consists of one Cu(II) ion, one 5-tert-butyl-isophthalate (tbip) and one 2,2'-bipyridine (bpy) ligand. The copper(II) ion is four-coordin-ated by two N atoms from bipy and two O atoms from two tbip ligands, leading to a distorted tetrahedral coordination. Each tbip ligand adopts a bis-monodentate coordination mode to connect two symmetry-related copper(II) ions, so forming a zigzag polymer chain parallel to [001]. The tert-butyl methyl groups are disordered over two positions with occupancies of 0.506 (6)/0.494 (6).

| S-EPMC2960003 | biostudies-literature

catena-Poly[[(2,2'-bipyridine)-nickel(II)]-?-2,4'-oxydibenzoato].

Project description:In the title compound, [Ni(C(14)H(8)O(5))(C(10)H(8)N(2))](n), the Ni(II) atom is six-coordinated in a slightly distorted octa-hedral geometry by four O atoms from two chelating carboxyl-ate groups of symmetry-related 2,4'-oxydibenzoate anions and by two N atoms from a 2,2'-bipyridine ligand. The Ni(II) atoms are bridged by the 2,4'-oxydibenzoate anions, resulting in the formation of helical chains parallel to [010] with a repeating unit of 15.039?(2)?Å.

| S-EPMC3011413 | biostudies-other

catena-Poly[[(5,5'-dimethyl- 2,2'-bipyridine-?N,N')cadmium(II)]-di-?-chlorido].

Project description:The asymmetric unit of the title compound, [CdCl(2)(C(12)H(12)N(2))](n), contains one half-mol-ecule; a twofold rotation axis passes through the Cd atom. The Cd(II) atom is six-coordinated in a distorted octa-hedral configuration by two N atoms from 2,2'-bipyridine-5,5'-dimethyl and four bridging Cl atoms. The bridging function of the chloro atoms leads to a one-dimensional chain structure. There is a ?-? contact between the pyridine rings [centroid-centroid distance = 3.9807?(9)?Å].

| S-EPMC2959444 | biostudies-literature

catena-Poly[[aqua-(2,2'-bipyridyl)cobalt(II)]-μ-5-nitro-isophthalato].

Project description:In the crystal structure of the title compound, [Co(C(8)H(3)NO(6))(C(10)H(8)N(2))(H(2)O)](n), there are two symmetry-independent one-dimensional coordination polymers, which are approximately related by noncrystallographic inversion symmetry. Each zigzag chain is constructed from one Co(II) ion, one O-monodentate 5-nitro-isophthalate (ndc) dianion, one N,N'-bidentate 2,2'-bipyridyl ligand and one water mol-ecule. A symmetry-generated O,O'-bidentate ndc dianion completes the cobalt coordination environment, which could be described as very distorted cis-CoN(2)O(4) octa-hedral. The bridging ndc ligands result in parallel chains running along the a direction, and O-H⋯O hydrogen bonds arising from the water mol-ecules complete the structure.

| S-EPMC2960127 | biostudies-literature

catena-Poly[[tetra-aqua-cobalt(II)]-μ-2,2'-dihydroxy-5,5'-diazenediyldibenzoato].

Project description:In the title compound, [Co(C(14)H(8)N(2)O(6))(H(2)O)(4)](n), each 5,5'-diazenediylbis(2-hydroxy-benzoato) ligand acts as a dicarboxyl-ate bridge, leading to the formation of polymeric chains running in the [10] direction. The Co atom is hexa-coordinated in a distorted octa-hedral geometry by six O atoms [Co-O = 2.039 (4)-2.115 (4) Å] from two ligands and four water mol-ecules. Inter-molecular O-H⋯O and O-H⋯N hydrogen bonds build up a three-dimensional supra-molecular structure.

| S-EPMC2960221 | biostudies-literature

catena-Poly[[aqua-(5,5'-dimethyl-2,2'-bipyridine-?N,N')copper(II)]-?-2,2'-oxydibenzoato-?O:O'].

Project description:In the title compound, [Cu(C(14)H(8)O(5))(C(12)H(12)N(2))(H(2)O)](n), the Cu(II) ion is penta-coordinated in a square-pyramidal geometry. Two N atoms of the chelating 5,5'-dimethyl-2,2'-bipyridine (dbp) ligand and two O atoms of two different 2,2'-oxydibenzoic (odb) ligands occupy the basal plane while the water O atom completes the square-pyramidal geometry at the apical site. The non-water N(2)O(2) donor atoms are nearly coplanar, with a mean deviation from the least-squares plane of 0.0518?(11)?Å and the Cu atom is displaced by 0.1507?(11)?Å from this plane towards the apical water O atom. Further coordination via the 2,2'-oxydibenzoate anions forms a one-dimensional coordination polymer extending parallel to [010]. In the crystal structure, O-H?O hydrogen bonds link the mol-ecules into a two-dimensional supra-molecular structure.

| S-EPMC3007526 | biostudies-literature

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