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Tris(2,2'-bipyridine-?N,N')cobalt(III) tris-(oxalato-?O,O)ferrate(III) mono-hydrate.

ABSTRACT: The title compound, [Co(C(10)H(8)N(2))(3)][Fe(C(2)O(4))(3)]·H(2)O, con-sists of two discrete tris-(chelate) metal ions (Co(III)N(6) and Fe(III)O(6) chromophores) and a water mol-ecule. The structure is highly symmetrical; the Co(III) and Fe(III) ions occupy positions with site symmetry 3.2. The coordination polyhedra of the metal atoms have a nearly octa-hedral geometry with noticeable trigonal distortions. The Co-N and Fe-O bond lengths are equal by symmetry, viz. 1.981?(2) and 1.998?(4)?Å, respectively. The cations and anions are arranged alternately along their threefold rotation axes parallel to [001], forming chains that are packed in a hexa-gonal manner. The water mol-ecules occupy voids between the chains. The crystal under investigation was an inversion twin.

SUBMITTER: Chygorin EN

PROVIDER: S-EPMC3297208 | biostudies-literature | 2012 Mar

REPOSITORIES: biostudies-literature

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Tris(2,2'-bipyridine-κN,N')cobalt(III) tris-(oxalato-κO,O)ferrate(III) mono-hydrate.

Chygorin Eduard N EN Petrusenko Svitlana R SR Kokozay Volodymyr N VN Omelchenko Irina V IV Shishkin Oleg V OV

Acta crystallographica. Section E, Structure reports online 20120204 Pt 3

The title compound, [Co(C(10)H(8)N(2))(3)][Fe(C(2)O(4))(3)]·H(2)O, con-sists of two discrete tris-(chelate) metal ions (Co(III)N(6) and Fe(III)O(6) chromophores) and a water mol-ecule. The structure is highly symmetrical; the Co(III) and Fe(III) ions occupy positions with site symmetry 3.2. The coordination polyhedra of the metal atoms have a nearly octa-hedral geometry with noticeable trigonal distortions. The Co-N and Fe-O bond lengths are equal by symmetry, viz. 1.981 (2) and 1.998 (4) Å, res ...[more]

PMID: 22412398

Similar Datasets

Tris(2,2'-bipyridine-κN:N')cobalt(III) trichloride tetra-hydrate.

Project description:The title compound, [Co(C(10)H(8)N(2))(3)]Cl(3)·4H(2)O, contains discrete [Co(bpy)(3)](3+) cations (bpy is 2,2'-bipyridine), Cl(-) anions and water mol-ecules. The [Co(bpy)(3)](3+) complex cation exhibits C(2) symmetry with the twofold axis through the central Co atom and bis-ecting one bpy ligand and one of the Cl(-) anions. The four solvent water mol-ecules and the remaining two Cl(-) anions lie on a mirror plane. Hydrogen-bond inter-actions define a two-dimensional layer structure parallel to (100), which consists of seven-membered [Cl(2)(H(2)O)(5)], eight-membered [Cl(4)(H(2)O)(4)] and ten-membered [Cl(2)(H(2)O)(8)] rings.

| S-EPMC2959986 | biostudies-literature

Tris(2,2'-bipyridine-?N,N')cobalt(III) octa-cyanido-tungstate(V).

Project description:In the title compound, [Co(C(10)H(8)N(2))(3)][W(CN)(8)], the Co atom (..2 site symmetry) is coordinated by six N atoms from three 2,2'-bipyridine ligands in an octa-hedral geometry; the Co-N bond distances range from 1.926?(2) to 1.939?(2)?Å. The W (..2 site symmetry) metal center is coordinated by eight cyanide ligands, resulting in a dodeca-hedral conformation with W-C distances in the range 1.165?(3)-2.176?(3)?Å. The cations and anions are linked into a three-demensional structure by weak C-H?N hydrogen bonds.

| S-EPMC2980176 | biostudies-literature

Tris(ethyl-enediamine-?N,N')cobalt(III) aqua-tris-(oxalato-?O,O)indate(III).

Project description:In the cation of the title compound, [Co(C(2)H(8)N(2))(3)][In(C(2)O(4))(3)(H(2)O)], the Co(III) atom is coordinated by six N atoms from three ethyl-enediamine mol-ecules. The Co(III)-N bond lengths lie in the range 1.956?(4)-1.986?(4)?Å. In the anion, the In(III) atom is seven-coordinated by six O atoms from three oxalate ligands and by a water mol-ecule. The cations and anions are linked by extensive O-H?O and N-H?O hydrogen bonds, forming a supermolecular network.

| S-EPMC3254329 | biostudies-literature

Poly[diaqua-bis(2,2'-bipyridine)tris-(?(4)-2,2'-bipyridine-4,4'-dicarboxyl-ato)dineodymium(III)].

Project description:In the crystal structure of the title mixed-ligand coordination polymer, [Nd(2)(C(12)H(6)N(2)O(4))(3)(C(10)H(8)N(2))(2)(H(2)O)(2)](n), the Nd(III) ion is in an octa-hedral coordination environment formed by one water mol-ecule, one chelating 2,2'-bipyridine ligand, and five monodentate carboxyl-ate groups. The local coordination polyhedron around the Nd(III) ion is a bicapped trigonal prism. Two Nd(III) centers are bridged by four carboxyl-ate groups to form an Nd(2) dimeric unit; these are further connected by 2,2'-bipyridine-4,4'-dicarboxyl-ate linkers, resulting in a layered coordination network.

| S-EPMC2915173 | biostudies-literature

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

Project description: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.

| S-EPMC2970163 | biostudies-literature

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

Tris(2,2'-bipyridine-?(2) N,N')cobalt(II) bis-(hexa-fluoridophosphate).

Project description:In the title compound, [Co(C10H8N2)3](PF6)2, the Co(II) atom is coordinated by the six N atoms of three 2,2'-bipyridyl ligands and adopts a highly distorted octa-hedral geometry. The crystal used was a merohedral twin, the refined ratio of twin components being 0.820?(1):0.180?(1). The crystal structure features weak C-H?F inter-actions, forming a three-dimensional network.

| S-EPMC3588389 | biostudies-literature

Tris[hexa-amminecobalt(III)] bis-[tri-oxalato-cobaltate(II)] chloride dodeca-hydrate.

Project description:The title compound, [Co(III)(NH?)?]?[Co(II)(C?O?)?]?Cl·12H?O, was synthesized under hydro-thermal conditions. The asymmetric unit comprises two [Co(NH?)?]³? cations, one located on a threefold axis and the other on a site of symmetry -3, a [Co(C?O?)?]?? anion, located on a threefold axis, one sixth of a chloride anion [disordered over two sites, one threefold (site occupancy = 0.5) and the other -3 (site occupancy (0.25)] and two water molecules. Both Co(III) centers are six-coordinated by NH? mol-ecules, forming [Co(NH?)?]³? octa-hedra, with Co-N distances in the range 1.958?(2)-1.977?(3)?Å. The title structure gives the first example of the [Co(C?O?)?]?? anion, with the distorted octa-hedral environment of Co(II) center formed by six O atoms from three oxalate residues. The Co-O bond lengths are 2.0817?(18) to 2.0979?(18)?Å. Multiple N-H?O, N-H?Cl and O-H?O hydrogen bonds link the cations, anions and water mol-ecules into a three-dimensional network.

| S-EPMC3393183 | biostudies-literature

Crystal structure of tris-[4-(di-methyl-amino)-pyridinium] tris-(oxalato-?(2) O,O')chromate(III) tetra-hydrate.

Project description:In the title hybrid salt, (C7H11N2)3[Cr(C2O4)3]·4H2O, the central Cr(III) ion of the complex anion (point group symmetry 2) is coordinated by six O atoms from three chelating oxalate(2-) ligands in a slightly distorted octa-hedral coordination sphere. The Cr-O bond lengths vary from 1.9577?(11) to 1.9804?(11)?Å, while the chelate O-Cr-O angles range from 82.11?(6) to 93.41?(5)°. The 4-(di-methyl-amino)-pyridinium cations (one situated in a general position and one on a twofold rotation axis) are protonated at the pyridine N atoms. In the crystal, N-H?O and O-H?O hydrogen bonds link the cations and anions into a three-dimensional network. ?-? inter-actions between the pyridine rings of adjacent cations provide additional stabilization of the crystal packing, with the closest centroid-to-centroid distances being 3.541?(1) and 3.575?(1)?Å.

| S-EPMC4645054 | biostudies-literature

(2,2'-Bipyridine-?N,N')bis-(3-meth-oxy-benzoato-?O,O)copper(II) mono-hydrate.

Project description:The title compound, [Cu(C(8)H(7)O(3))(2)(C(10)H(8)N(2))]·H(2)O, is comprised of a Cu(II) ion, two 3-meth-oxy-benzoate ligands, a 2,2'-bipyridine (bipy) ligand and one uncoordinated water mol-ecule. The Cu(II) ion and the water O atom lie on a twofold axis. The Cu(II) ion exhibits a six-coordinate distorted octa-hedral geometry, with two N atoms from the bipy ligand [Cu-N = 1.9996?(16)?Å] and four O atoms from two 3-meth-oxy-benzoate ligands [Cu-O = 1.9551?(15) and 2.6016?(16)?Å]. The mol-ecules are linked by O-H?O and C-H?O hydrogen bonds, forming a three-dimensional network.

| S-EPMC3052164 | biostudies-literature

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