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

ABSTRACT: 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.

SUBMITTER: Lin J

PROVIDER: S-EPMC2969998 | biostudies-literature |

REPOSITORIES: biostudies-literature

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catena-Poly[[[tetra-aqua-cobalt(II)]-μ-4,4'-bipyridine-κN:N'] bis-(perchlorate) 4,4'-bipyridine disolvate dihydrate].

Project description:In the title compound, {[Co(C(10)H(8)N(2))(H(2)O)(4)](ClO(4))(2)·2C(10)H(8)N(2)·2H(2)O}(n), slightly distorted octa-hedrally coordinated Co(II) ions situated on inversion centers are linked into polycationic chains through 4,4'-bipyridine tethering ligands. These are connected into supra-molecular layers by hydrogen bonding involving aqua ligands, perchlorate anions and uncoordinated water mol-ecules. A twofold inter-penetrated primitive cubic supra-molecular network is formed by the inter-action of pseudo-layers by hydrogen bonding between aqua ligands and unligated 4,4'-bipyridine mol-ecules.

| S-EPMC2959782 | biostudies-literature

catena-Poly[[[tetra-aqua-cadmium(II)]-μ-4,4'-bipyridine] fumarate tetra-hydrate].

Project description:In the crystal structure of the title compound, [Cd(C(10)H(8)N(2))(H(2)O)(4)](C(4)H(2)O(4))·4H(2)O, the Cd(II) atom, on an inversion centre, is six-coordinated by four O atoms from four water mol-ecules and two N atoms from 4,4'-bpy mol-ecules in a distorted octa-hedral coordination geometry. Weak C-H⋯O inter-actions between uncoordinated carboxyl-ate O atoms of fumaric acid and water mol-ecules contribute to the crystal packing stability.

| S-EPMC2915124 | biostudies-literature

catena-Poly[[[tetra-aqua-cobalt(II)]-μ-4,4'-bipyridine-κN:N'] pyridine-3,5-dicarboxyl-ate trihydrate].

Project description:The crystal structure of the title compound, {[Co(C(10)H(8)N(2))(H(2)O)(4)](C(7)H(3)NO(4))·3H(2)O}(n), consists of Co(II) polymeric complex cations, uncoordinated pyridine-3,5-dicarboxyl-ate anions and lattice water mol-ecules. The Co(II) cation is coordinated by two N atoms from two 4,4'-bipyridine ligands and four water mol-ecules in a distorted octa-hedral geometry. The 4,4'-bipyridine ligands bridge Co cations, forming a polymeric chain running along the b axis. The two pyridine rings of the 4,4'-biyridine are twisted to each other by a dihedral angle of 8.95 (9)°. Extensive O-H⋯O hydrogen bonding network is present in the crystal structure.

| S-EPMC3151975 | biostudies-literature

Tetra-aqua-diimidazole-nickel(II) naphthalene-1,5-disulfonate.

Project description:The triclinic unit cell of the title compound, [Ni(C(3)H(4)N(2))(2)(H(2)O)(4)](C(10)H(6)O(6)S(2)), contains one centrosymmetric cation and one centrosymmetric anion. In the cation, the Ni(II) ion is six-coordinated by two imidazole ligands [Ni-N = 2.0568 (14) Å] and four water mol-ecules [both independent Ni-O distances are 2.098 (1) Å] in a distorted octa-hedral geometry. Inter-molecular O-H⋯O and N-H⋯O hydrogen bonds form an extensive three-dimensional network, which consolidates the crystal packing.

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catena-Poly[[[aqua-silver(I)]-μ-4,4'-bipyridine-κN:N'] 4-amino-benzoate nitrate hydrate].

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catena-Poly[[tetra-kis-(μ-penta-fluoro-benzoato-κO:O')dimolybdenum(II)]-μ-4,4'-bipyridine-κN:N'].

Project description:In the title compound, [Mo(2)(C(7)F(5)O(2))(4)(C(10)H(8)N(2))](n), the mol-ecule forms a paddle-wheel-type structure. Each Mo(2) (4+) unit is equatorially coordinated by four pentafluoro-benzoate groups, while the axial positions are occupied by two 4,4'-bipyridine mol-ecules. The Mo-Mo bond length of 2.1227 (4) Å is representative of a dimolybdenum quadruple bond. An infinite linear chain parallel to [110] is formed by the Mo(2) (4+) unit coordinating axially to the two N atoms of the 4,4'-bipyridine ligand [Mo-N = 2.594 (2) Å]. The crystal packing shows mol-ecules linked together into a three-dimensional network via Mo-N coordination inter-actions and weak π-π stacking inter-actions between perfluoro-phenyl rings [centroid-centroid distance = 3.7280 (3) Å and centroid-to-plane distance = 3.6103 (12) Å between two penta-fluoro-phenyl rings].

| S-EPMC3200718 | biostudies-literature

trans-Tetra-aqua-bis(nicotinamide-κN)cadmium(II) biphenyl-4,4'-disulfonate.

Project description:In the title compound, [Cd(C(6)H(6)N(2)O)(2)(H(2)O)(4)](C(10)H(8)O(6)S(2)), the Cd(II) ion is located on a crystallographic inversion centre. An octa-hedral coordination geometry is defined by four water mol-ecules in one plane, and two trans N-atom donors of the nicotinamide ligands. The biphenyl-4,4'-disulfonate anion also lies on a crystallographic inversion centre. In the crystal structure, the complex cations are connected to the counter-anions via N-H⋯O and O-H⋯O hydrogen bonds, forming a three-dimensional network.

| S-EPMC2960200 | biostudies-literature

catena-Poly[[(2,2'-bipyrimidine-κN,N)diperchloratocopper(II)]-μ-4,4'-bipyridine-κN:N'].

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| S-EPMC2961952 | biostudies-literature

Tetra-aqua-bis-(2-methyl-1H-imidazole-?N)cobalt(II) naphthalene-1,5-disulfonate.

Project description:In the title complex, [Co(C(4)H(6)N(2))(2)(H(2)O)(4)](C(10)H(6)O(6)S(2)), the cation and anion both reside on crystallographic inversion centers, such that the asymmetric unit comprises one half cation and one half anion. The central Co(II) ion is coordinated by four water mol-ecules and two 2-methyl-imidazole ligands, resulting in a trans-octa-hedral coordination geometry. The existence of strong N-H?O and O-H?O hydrogen-bonding inter-actions gives rise to a three-dimensional structure.

| S-EPMC3238612 | biostudies-literature

Hexa-kis-(μ₂-4-amino-3,5-dimethyl-4H-1,2,4-triazole)hexa-aqua-tricobalt(II) naphthalene-1,5-disulfonate tetra-chloride.

Project description:In the centrosymmetric trinuclear cation of the title compound, [Co₃(C₄H(8)N₄)₆(H₂O)₆](C₁₀H₆O₆S₂)Cl₄, the three Co(II) atoms are bridged by six triazole mol-ecules via the N atoms in the 1,2-positions. The central Co(II) atom, lying on an inversion center, is coordinated by six triazole N atoms while the terminal Co(II) atoms are coordinated by three triazole N atoms and three water O atoms in a distorted octa-hedral geometry. The naphthalene-disulfonate anion is also centrosymmetric. The four chloride counter anions are half-occupied; the H atoms of the amino groups show an occupancy of 2/3. O-H⋯Cl, O-H⋯O and N-H⋯O hydrogen bonds link the complex cations and the chloride and naphthalene-1,5-disulfonate anions.

| S-EPMC3393145 | biostudies-literature

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