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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[μ(2)-aqua-μ(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

Poly[μ-aqua-[μ-1,1'-(butane-1,4-di-yl)diimidazole]bis-(μ(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[(μ(6)-naphthalene-1,4-dicarboxyl-ato-κO:O:O:O:O:O)iron(II)].

Project description:In the title compound, [Fe(C(12)H(6)O(4))](n), the Fe(II) atom is coordinated by six O atoms from six symmetrically equivalent naphthalene-1,4-dicarboxyl-ate ligands in a strongly distorted octa-hedral geometry. These octa-hedra are connected via common edges into chains that elongate along the a axis, with Fe⋯Fe distances of 2.9712 (4) and 2.9724 (4) Å. The chains are linked via the naphthalene-1,4-dicarboxyl-ate ligands into a three-dimensional coordination network.

| S-EPMC2968007 | biostudies-literature

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

Project description:In the title compound, [Mn(2)(C(12)H(6)O(4))(2)(C(10)H(14)N(4))(H(2)O)](n) or [Mn(2)(1,4-ndc)(2)(L)(H(2)O)](n), where 1,4-ndc is naphthalene-1,4-dicarboxyl-ate and L is 1,1'-(butane-1,4-di-yl)diimidazole, the coordination polyhedron around each Mn(II) atom is distorted octa-hedral. The water mol-ecule and the L ligand are situated across a twofold rotation axis. The Mn(II) atoms are bridged by 1,4-ndc and L ligands, forming a three-dimensional network. O-H⋯O hydrogen bonds are observed within the network.

| S-EPMC2960017 | biostudies-literature

The one-dimensional polymer poly[[aqua-(2,2'-bipyridine)cadmium(II)]-μ-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

Poly[(μ(5)-2,2'-bipyridine-5,5'-dicarboxyl-ato)lead(II)].

Project description:In the title polymeric compound, [Pb(C(12)H(6)N(2)O(4))](n), the Pb(II) cation, located on a mirror plane, is N,N'-chelated by a 2-2'-bipyridine-5,5'-dicarboxyl-ate (bpdc) anion and is further coordinated by six O atoms from four carboxyl groups of bpdc anions in an irregular N(2)O(6) geometry. The carboxylate groups bridge the Pb(II) cations, forming a three-dimensional polymeric structure. The carboxyl-ate group is twisted away from the attached pyridine ring by 11.4 (3)°.

| S-EPMC3435613 | biostudies-literature

Poly[diaqua-bis(2,2'-bipyridine)tris-(μ(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[[[aqua-bis(1H-imidazole-κN)copper(II)]-μ-naphthalene-1,4-dicarboxyl-ato-κO:O] dihydrate].

Project description:In the title compound, {[Cu(C(12)H(6)O(4))(C(3)H(4)N(2))(2)(H(2)O)]·2H(2)O}(n), the Cu(II) cation is coordinated by two naphthalene-1,4-dicarboxyl-ate (naph) dianions, two imidazole mol-ecules and one water mol-ecule in a distorted square-pyramidal geometry. The Cu-O bond distance in the apical direction is 0.509 (3) Å longer than the mean Cu-O bond distance in the basal plane. The naph dianion bridges two Cu(II) cations, forming a one-dimensional polymeric chain. The coordinated water mol-ecule is hydrogen-bonded to the carboxylate groups and imidazole ligands of adjacent polymeric chains, forming a three-dimensional supra-molecular structure. No π-π stacking is observed in the crystal structure. One solvent water molecule is disordered equally over two positions.

| S-EPMC2961746 | 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

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