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Poly[(μ-4,4'-bipyridine)(μ-naphthalene-1,4-dicarboxyl-ato)manganese(II)].

ABSTRACT: In the crystal structure of the title compound, [Mn(C(12)H(6)O(4))(C(10)H(8)N(2))](n), the Mn atoms are each coordinated by four O atoms of naphthalene-1,4-dicarboxyl-ate anions and two N atoms of two symmetry-related 4,4'-bipyridine ligands within a strongly distorted octa-hedra. Two of the O atoms originate from one naphthalene-1,4-dicarboxyl-ate anion, whereas the remaining two O atoms derive from two symmetry-equivalent naphthalene-1,4-dicarboxyl-ate anions. Two Mn atoms are connected via the anions into dimers, which are further linked by the anions and the N-donor ligands into a three-dimensional coordination network.

SUBMITTER: Boeckmann J

PROVIDER: S-EPMC2968939 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Poly[(?-4,4'-bipyridine)(?-naph-tha-lene-1,4-dicarboxyl-ato)iron(II)].

Project description:The asymmetric unit of the title compound, [Fe(C(12)H(6)O(4))(C(10)H(8)N(2))], consists of two independent Fe(II) atoms, two naphthalene-1,4-dicarboxyl-ate anions and two 4,4'-bipyridine ligands. The Fe(II) atoms are each coordinated by four O atoms of the naphthalene-1,4-dicarboxyl-ate anions and two N atoms of the 4,4'-bipyridine ligands within a distorted octa-hedron. Two Fe(II) atoms are bridged via the carboxyl-ate groups of two symmetry-related anions into dimers, which are further connected into chains. These chains are linked by additional anions into layers that are finally connected by the 4,4'-bipyridine ligands into a three-dimensional coordination network.

| S-EPMC2968022 | biostudies-literature

Poly[?(2)-aqua-?(4)-naphthalene-1,8-dicarboxyl-ato-manganese(II)].

Project description:The asymmetric unit of the title complex, [Mn(C(12)H(6)O(4))(H(2)O)](n), contains one Mn(II) ion, one 1,8-naphthalene-dicarboxyl-ate (1,8-NDC) ligand and one water mol-ecule. The Mn(II) ion is six-coordinated within a distorted octa-hedral coordination geometry, in which the equatorial sites are occupied by four carboxyl-ate O atoms from four different 1,8-NDC ligands, while the axial positions are occupied by two O atoms of two coordinated water mol-ecules. Adjacent Mn(II) centres are bridged by one coordinated water and two carboxyl-ate groups in a syn-syn mode to form infinite chains along the b axis, which are further cross-linked by the naphthalene spacers of the 1,8-NDC ligands to produce a two-dimensional extended network.

| S-EPMC2915142 | biostudies-literature

catena-Poly[[[triaqua-manganese(II)]-?-4,4'-bipyridine-?N:N'-[triaqua-manganese(II)]-?-pyrimidine-4,6-dicarboxyl-ato-?N,O:N,O] sulfate trihydrate].

Project description:The two independent Mn(II) ions in the polymeric title compound, {[Mn(2)(C(6)H(2)N(2)O(4))(C(10)H(8)N(2))(H(2)O)(6)]SO(4)·3H(2)O}, exhibit distorted MnN(2)O(4) octa-hedral coordination geometries, with the pyrimidine-4,6-dicarboxyl-ate (pmdc) ligand acting in the bis-chelating ?-(?O,?N:?O',?N') bridging mode and the 4,4'-bipyridine (bpy) ligand in the ?-(?N:?N') bridging mode. The remaining coordination sites are occupied by O atoms of water mol-ecules. As a consequence, cationic chains of [Mn(2)(?-pmdc)(?-4,4'-bpy)(H(2)O)(6)](2+) are generated, which extend approximately along the a axis. Sulfate counter-anions and three uncoordinated water mol-ecules complete the structure, which is stabilized by multiple O-H?O hydrogen-bonding inter-actions between the structural units.

| S-EPMC2980029 | biostudies-literature

Poly[bis-(4,4'-bipyridine)(μ(3)-4,4'-dicarboxybiphenyl-3,3'-di-carboxyl-ato)iron(II)].

Project description:In the polymeric title complex, [Fe(C(16)H(8)O(8))(C(10)H(8)N(2))(2)](n), the iron(II) cation is coordinated by four O atoms from three different 4,4'-dicarboxybiphenyl-3,3'-di-carboxyl-ate ligands and two N atoms from two 4,4'-bipyridine ligands in a distorted octa-hedral geometry. The 4,4'-dicarboxybiphenyl-3,3'-di-carboxyl-ate ligands bridge adjacent cations, forming chains parallel to the c axis. The chains are further connected by inter-molecular O-H⋯N hydrogen bonds, forming two-dimensional supra-molecular layers parallel to (010).

| S-EPMC2971993 | biostudies-literature

Poly[[dodeca-aqua-(?(4)-benzene-1,4-dicarboxyl-ato)(?(2)-4,4'-bipyridine-?(2)N:N')dicerium(III)] bis-(benzene-1,4-dicarboxyl-ate)].

Project description:The asymmetric unit of the title compound, {[Ce(2)(C(8)H(4)O(4))(C(10)H(8)N(2))(H(2)O)(12)](C(8)H(4)O(4))(2)}(n), consists of half a Ce(III) cation, a quarter of a coordinated benzene-1,4-dicarboxyl-ate (bdc(2-)) dianion, a quarter of a 4,4'-bipyridine (bpy) mol-ecule, three water mol-ecules and a half of an uncoordinated benzene-1,4-dicarboxyl-ate dianion. The Ce(III) ion is located on a twofold rotation axis and exhibits a distorted trigonal prism square-face tricapped coordination geometry. The coordinated and uncoordinated bdc(2-) ions and the bpy mol-ecule lie about special positions of site symmetries 2/m, m and 2/m, respectively. The Ce(III) ions are bridged by the bdc(2-) and bpy ligands, giving a sheet structure parallel to the ac plane. The uncoordinated bdc(2-) dianion exists between the sheets and links the sheets by inter-molecular O-H?O hydrogen bonds between the uncoordinated bdc(2-) and coordinated water mol-ecules. A ?-? stacking inter-action between the uncoordinated bdc(2-) dianion and the bpy ligand [centroid-centroid distance = 3.750?(4)?Å] is also observed.

| S-EPMC3344367 | biostudies-literature

catena-Poly[[[tetra-aqua-zinc(II)]-μ-4,4'-bipyridine-κN:N'] naphthalene-1,5-disulfonate].

Project description:In the title complex, {[Zn(C(10)H(8)N(2))(H(2)O)(4)](C(10)H(6)O(6)S(2))}(n), the [Zn(4,4'-bipy)(H(2)O)(4)](2+) (4,4'-bipy is 4,4'-bipyridine) cations are linked into linear chains along [001] by the 4,4'-bipy ligands. The Zn(II) ion exhibits a slightly distorted octa-hedral coordination geometry in which the four water mol-ecules are in the equatorial positions. The anions are hydrogen bonded to the polycationic chains by O-H⋯O hydrogen bonds, forming a three-dimensional network. The Zn(II) ion, 4,4'-bipy ligand and anion lie on special positions of 2/m site symmetry.

| S-EPMC2969998 | biostudies-literature

Poly[?-aqua-[?-1,1'-(butane-1,4-di-yl)diimidazole]bis-(?(4)-naphthalene-1,4-dicarboxyl-ato)dicadmium(II)].

Project description:In the title compound, [Cd(2)(C(12)H(6)O(4))(2)(C(10)H(14)N(4))(H(2)O)](n), the coordination polyhedron around each Cd(II) ion is a distorted CdNO(5) octa-hedron. The water O atom has site symmetry 2 and the complete 1,1'-(butane-1,4-di-yl)diimidazole (L) ligand is generated by inversion. The naphthalene-1,4-dicarboxyl-ate and L ligands bridge the metal centres, forming a three-dimensional framework, which is consolidated by O-H?O hydrogen bonds.

| S-EPMC2960000 | biostudies-literature

Poly[aqua-[?(2)-1,1'-(butane-1,4-di-yl)diimidazole](?(2)-naphthalene-1,4-dicarboxyl-ato)nickel(II)].

Project description:In the title compound, [Ni(C(12)H(6)O(4))(C(10)H(14)N(4))(H(2)O)](n), the coordination polyhedron around each Ni(II) atom is a distorted cis-NiN(2)O(4) octa-hedron. The naphthalene-1,4-dicarboxyl-ate and 1,1'-(butane-1,4-di-yl)diimidazole ligands bridge the Ni centres to form a two-dimensional (4,4)-network, and O-H?O hydrogen bonds complete the structure.

| S-EPMC2960619 | biostudies-literature

cyclo-Tetra-kis(?-naphthalene-1,8-dicarboxyl-ato)tetra-kis-[diaqua-(2,2'-bipyridine)-manganese(II)] tetra-hydrate.

Project description:In the title centrosymmetric tetra-nuclear complex, [Mn(4)(C(12)H(6)O(4))(4)(C(10)H(8)N(2))(4)(H(2)O)(8)]·4H(2)O, two independent Mn(II) ions are coordinated in a slightly disorted octa-hedral environment by two aqua ligands, two naphthalene-1,8-dicarboxyl-ate (1,8-nap) ligands and one bis-chelating 2,2'-bipyridine (2,2'-bipy) ligand. In the crystal, mol-ecules are linked by inter-molecular O-H?O hydrogen bonds into chains along [100]. These chains are further linked by weak ?-? inter-actions with centroid-centroid distances in the range of 3.609?(2)-3.758?(1)?Å, forming a three-dimensional supra-molecular network.

| S-EPMC3011697 | biostudies-literature

The one-dimensional polymer poly[[aqua-(2,2'-bipyridine)cadmium(II)]-?-trans-stilbene-4,4'-dicarboxyl-ato].

Project description:In the title polymer, [Cd(C(16)H(10)O(4))(C(10)H(8)N(2))(H(2)O)](n), the Cd(II) ion is in a strongly distorted octa-hedral geometry, being coordinated by two N atoms from a 2,2'-bipyridine ligand, three carboxylate O atoms from two symmetry-related trans-stilbene-4,4'-dicarboxyl-ate dianions and one water mol-ecule. The stilbene ligand lies on an inversion centre at the midpoint of the central C=C bond. This feature generates the polymeric structure: adjacent Cd(II) ions are bridged by trans-stilbene-4,4'-dicarboxyl-ate dianions, giving rise to a one-dimensional structure. The coordinated water mol-ecule is involved in interchain O-H?O hydrogen bonds.

| S-EPMC2915100 | biostudies-literature

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