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Bis[?-3-(2-hy-droxy-phen-yl)propenoato]bis-{aqua-(4,4'-bipyridine)-bis-[3-(2-hydroxy-phen-yl)propenoato]yttrium(III)} 4,4'-bipyridine disolvate.

ABSTRACT: The title compound, [Y(2)(C(9)H(7)O(3))(6)(C(10)H(8)N(2))(2)(H(2)O)(2)]·2C(10)H(8)N(2), contains two eight-coordinated Y(III) ions, which are linked by two carboxyl-ate groups from two 2-hy-droxy-cinnamate anions, leading to a centrosymmetric dinuclear structure surrounded by solvent 4,4'-bipyridine mol-ecules. It forms a three-dimensional framework connected by extensive O-H?O and O-H?N hydrogen-bonding inter-actions.

SUBMITTER: Zhang CY

PROVIDER: S-EPMC3011796 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Tetrakis[?-3-(3-hy-droxy-phen-yl)propenoato]bis-{aqua-(2,2'-bipyridine)-[3-(3-hy-droxy-phen-yl)propenoato]neodymium(III)} 2,2'-bipyridine disolvate dihydrate.

Project description:The dinuclear title compound, [Nd(2)(C(9)H(7)O(3))(6)(C(10)H(8)N(2))(2)]·2C(10)H(8)N(2)·2H(2)O, was synthesized under hydro-thermal conditions. The centrosymmetric complex consists of two nine-coordinated Nd(3+) cations, six 3-hy-droxy-cinnamate anions and two chelating 2,2'-bipyridine mol-ecules. The coordination geometry around the cations can be best described as distorted tricapped trigonal-prismatic. The carboxyl-ate groups show different coordination and bridging modes. Two of them chelate to one Nd(3+) cation, two bridge the two cations in a bis-monodentate fashion, and two chelate to one and bridge monodentately to the symmetry-related Nd(3+) cation. The dinuclear mol-ecule is surrounded by two 2,2'-bipyridine solvent and two water mol-ecules. Extensive O-H?O and O-H?N hydrogen-bonding inter-actions between the components lead to the formation of a three-dimensional network.

| S-EPMC3238786 | biostudies-literature

Bis[?-2-(4-hy-droxy-phen-yl)acetato]-?O,O':O;?O:O,O'-bis-{aqua-(4,4'-bipyridine-?N)bis-[2-(4-hy-droxy-phen-yl)acetato-?O,O']ytterbium(III)} monohydrate.

Project description:In the title dinuclear complex, [Yb(2)(C(8)H(7)O(3))(6)(C(10)H(8)N(2))(2)(H(2)O)(2)]·H(2)O, the Yb(III) atoms are coordinated by eight O atoms from four 2-(4-hy-droxy-phen-yl)acetate (HPAA) ligands and a water mol-ecule, and one N atom from a 4,4'-bipyridine (bipy) ligand in a distorted tricapped trigonal-prismatic geometry. Whereas four HPAA ligands coordinate to just two Yb(III) atoms, the remaining two ligands bridge the two Yb(III) atoms. In the crystal structure, O-H?O and O-H?N hydrogen bonds link the mol-ecules into a three-dimensional network.

| S-EPMC3009163 | biostudies-literature

Bis[?-2-(4-hy-droxy-phen-yl)acetato]-?O,O':O;?O:O,O'-bis-{aqua-(4,4'-bipyridine-?N)bis-[2-(4-hy-droxy-phen-yl)acetato-?O,O']dysprosium(III)} monohydrate.

Project description:In the title dinuclear complex, [Dy(2)(C(8)H(7)O(3))(6)(C(10)H(8)N(2))(2)(H(2)O)(2)]·H(2)O, the Dy(III) atoms are coordinated by eight O atoms from four 2-(4-hy-droxy-phen-yl)acetate (HPAA) ligands and a water mol-ecule, and one N atom from a 4,4'-bipyridine (bipy) ligand in a distorted tricapped trigonal prismatic geometry. Whereas four HPAA ligands coordinate to just two Dy(III) atoms, the remaining two ligands bridge the two Dy(III) atoms. In the crystal, O-H?O and O-H?N hydrogen bonds link the mol-ecules into a three-dimensional network.

| S-EPMC3011410 | biostudies-literature

Bis[?-2-(4-hy-droxy-phen-yl)acetato]-?O,O':O;?O:O,O'-bis-{aqua-(4,4'-bipyridine-?N)[2-(4-hy-droxy-phen-yl)acetato-?O,O']samarium(III)} monohydrate.

Project description:The dinuclear title complex, [Sm(2)(C(8)H(7)O(3))(6)(C(10)H(8)N(2))(2)(H(2)O)(2)]·H(2)O, contains two Sm(III) atoms, six deprotonated p-hy-droxy-phenyl-acetic acid (PAA) mol-ecules, two 4,4'-bipyridine (bipy) mol-ecules, two coordinated water mol-ecules and one solvent water molecule. Each Sm(III)ion is nine-coordinated by seven O atoms from four PAA ligands, one water O atom and one N atom from a bipy ligand in a distorted geometry. The PAA ligands are coordinated to the Sm(III) ion in bridging and bridging tridentate modes. The asymmetric unit also contains one uncoordinated water mol-ecule. The occurrence of numerous O-H?O and O-H?N hydrogen bonds involving coordinated and non-coordinated water mol-ecules builds up an intricate three-dimensional network.

| S-EPMC3011563 | biostudies-literature

Bis[?-2-(4-hy-droxy-phen-yl)acetato]-?O,O':O;?O:O,O'-bis-{aqua-(4,4'-bipyridine-?N)bis-[2-(4-hy-droxy-phen-yl)acetato-?O,O']thulium(III)} mono-hydrate.

Project description:In the title dinuclear complex, [Tm(2)(C(8)H(7)O(3))(6)(C(10)H(8)N(2))(2)(H(2)O)(2)]·H(2)O, the Tm(III) atoms are coordinated by eight O atoms from four 2-(4-hy-droxy-phen-yl)acetate (HPAA) ligands and a water mol-ecule, and one N atom from a 4,4'-bipyridine ligand in a distorted tricapped trigonal-prismatic geometry. While four of the HPAA ligands coordinate to just one Tm atom, the remaining two HPAA ligands bridge the two Tm atoms. In the crystal, O-H?O and O-H?N hydrogen bonds link the mol-ecules into a three-dimensional network.

| S-EPMC3009223 | biostudies-literature

catena-Poly[[{diaqua-[2-(4-hy-droxy-phen-yl)acetato-?O,O']cerium(III)}-bis-[?-2-(4-hy-droxy-phen-yl)acetato]-?O,O':O;?O:O,O'] 4,4'-bipyridine disolvate monohydrate].

Project description:In the polymeric title complex, {[Ce(C(8)H(7)O(3))(3)(H(2)O)(2)]·2C(10)H(8)N(2)·H(2)O}(n), the Ce(III) ion is coordinated by ten O atoms from four 2-(4-hy-droxy-phen-yl)acetate (HPAA) ligands and two water mol-ecules. One HPAA ligand coordinates just to one Ce(III) ion, whereas the remaining two bridge two Ce(III) ions. The 4,4'-bipyridine mol-ecule and one water mol-ecule are not coordinated to Ce. In the crystal, O-H?O and O-H?N hydrogen bonds link mol-ecules into a three-dimensional network.

| S-EPMC3011412 | biostudies-literature

?-4,4'-Bipyridine-bis-[aqua-(4-hy-droxy-pyridine-2,6-dicarboxyl-ato)copper(II)].

Project description:The title compound, [Cu(2)(C(7)H(3)NO(5))(2)(C(10)H(8)N(2))(H(2)O)(2)], exhibits a centrosymmetric binuclear molecule. Each completely deprotonated 4-hy-droxy-pyridine-2,6-dicarb-oxy-lic acid mol-ecule assumes a tridentate chelating coordination mode. The square-pyramidal coordination geometry around the Cu(II) ion is completed by the bridging bipyridine ligand and an apical water molecule. Adjacent complexes are connected via O-H?O and C-H?O hydrogen bonds to generate a three-dimensional supra-molecular structure.

| S-EPMC3297272 | biostudies-literature

Bis[?-2-(4-hy-droxy-phen-yl)acetato]-?O,O':O;?O:O,O'-bis-{aqua-(4,4'-bi-pyridine-?N)[2-(4-hy-droxy-phen-yl)acetato-?O,O']erbium(III)} monohydrate.

Project description:The title dinuclear complex, [Er(2)(C(8)H(7)O(3))(6)(C(10)H(8)N(2))(2)(H(2)O)(2)]·H(2)O, contains two Er(III) atoms in the asymmetric unit, six 2-(4-hy-droxy-phen-yl)acetate (PAA) anions, two 4,4'-bipyridine (bipy) mol-ecules, two coordinated water mol-ecules and one solvent water mol-ecule. The central Er(III) atoms are nine-coordinated. The coordination environment includes six O atoms from three PAA anions, one bridging O atom from a PAA anion, one O atom from a water mol-ecule and an N atom from a bipy ligand in a distorted tricapped trigonal-prismatic geometry. The occurrence of numerous O-H?O and O-H?N hydrogen bonds involving coordinated and noncoordinated water as well as bipy groups builds up an intricate three-dimensional network.

| S-EPMC3011679 | biostudies-literature

catena-Poly[[[tetra-aqua-cobalt(II)]-?-4,4'-bipyridine-?N: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

Bis(2-hy-droxy-phen-yl)methanone.

Project description:In the title compound, C(13)H(10)O(3), a benzophenone derivative, the least-squares planes defined by the C atoms of the 2-hy-droxy-phenyl rings inter-sect at an angle of 45.49?(3)°. The substituents on the aromatic systems are both orientated towards the central O atom. Intra- as well as inter-molecular O-H?O hydrogen bonds are observed, the latter giving rise to the formation of centrosymmetric dimers. The closest centroid-centroid distance between two ?-systems is 3.7934?(7)?Å.

| S-EPMC3212291 | biostudies-literature

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