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Tetra-kis(μ(2)-3,4-dimethoxy-phenyl-acetato)-κO,O':O';κO:O:O';κO:O';κO:O'-bis-[(3,4-dimethoxy-phenyl-acetato-κO,O')(1,10-phenanthroline-κN,N)thulium(III)].

ABSTRACT: In the title centrosymmetric dinuclear complex, [Tm(2)(C(10)H(11)O(4))(6)(C(12)H(8)N(2))(2)], the unique Tm(III) ion is coordin-ated by five 3,4-dimethoxy-phenyl-acetate (DMPA) ligands and and a bis-chelating 1,10-phenanthroline (phen) ligand via seven O atoms and two N atoms, forming a distorted tricapped trigonal-prismatic environment. The DMPA ligands coordin-ate in the bis-chelate, bridging and bridging tridentate modes.

SUBMITTER: Liu JL

PROVIDER: S-EPMC2979998 | biostudies-literature |

REPOSITORIES: biostudies-literature

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Tetra-kis(?-3,4-dimethoxy-phenyl-acetato)bis-[(3,4-dimethoxy-phenyl-acetato)(1,10-phenanthroline)dysprosium(III)].

Project description:The title centrosymmetric dinuclear dysprosium(III) complex, [Dy(2)(C(10)H(11)O(4))(6)(C(12)H(8)N(2))(2)] or [Dy(L)(3)phen](2), is comprised of six 3,4-dimethoxy-phenylacetate (L) anions, two 1,10-phenanthroline (phen) mol-ecules and two Dy(III) ions. The Dy(III) atom is nine-coordinated by seven O atoms from five L ligands and two N atoms from the phen mol-ecules. The L ligands are coordinated to the Dy(III) ion in three coordination modes: chelating, bridging and bridging-tridentate. C-H?O hydrogen bonding interactions consolidate the crystal packing.

| S-EPMC2983715 | biostudies-literature

Tetra-kis(?-3,4-dimeth-oxy-phenyl-acetato)-bis-[(3,4-dimeth-oxy-phenyl-acetato)(1,10-phenanthroline)holmium(III)].

Project description:In the centrosymmetric title compound, [Ho(2)(C(10)H(11)O(4))(6)(C(12)H(8)N(2))(2)], the Ho(III) atom is nine-coordinated by seven O atoms from the 3,4-dimeth-oxy-phenyl-acetate (L) anions and two N atoms from a 1,10-phenanthroline (phen) mol-ecule. The L ligands are coordinated to the Ho(III) ions in three modes: chelating, bridging and bridging-tridentate. Intra-molecular C-H?O inter-actions occur. The crystal packing is stabilized by inter-molecular C-H?O inter-actions and weak aromatic ?-? inter-actions between phen mol-ecules and the aromatic rings of the L ligands [centroid-centroid distance = 3.821?(2)?Å].

| S-EPMC2983278 | biostudies-literature

Tetra-kis(μ-phenoxy-acetato-κO:O')bis-[(1,10-phenanthroline-κN,N')manganese(II)] methanol hemisolvate.

Project description:The title complex, [Mn(2)(C(8)H(7)O(3))(4)(C(12)H(8)N(2))(2)]·0.5CH(3)OH, is a carboxyl-ate-bridged dinuclear Mn(II) complex with four phenoxy-acetate ions and two 1,10-phenanthroline mol-ecules as ligands. Each of the four phenoxy-acetate anions bridges the pair of Mn atoms. The asymmetric unit is completed by a half-occupancy methanol solvent mol-ecule. Face-to-face π-π stacking inter-actions between the aromatic rings of 1,10-phenanthroline molecules belonging to adjacent Mn(2) complexes, with an inter-planar separation of circa 3.4 Å, and weak C-H⋯O hydrogen bonds connect the dinuclear units into a three-dimensional supra-molecular framework.

| S-EPMC2915099 | biostudies-literature

catena-Poly[[(1,10-phenanthroline-κN,N')praseodymium(III)]-di-μ-phenoxy-acetato-κO:O'-[(1,10-phenanthroline-κN,N')praseodymium(III)]-di-μ-phenoxy-acetato-κO:O'-di-μ-phenoxy-acetato-κO,O':O;κO:O,O'].

Project description:The title complex, [Pr(2)(C(8)H(7)O(3))(6)(C(12)H(8)N(2))(2)](n), which has an inversion centre midway between the two Pr(III) atoms of the structural unit, forms a one-dimensional polymer bridged alternately by either two bidentate, or two bidentate and two terdentate, phenoxy-acetate carboxyl-ate groups. Each Pr(III) atom is thus nine-coordinated by two N atoms of a 1,10-phenanthroline ligand and seven O atoms from six phenoxy-acetate ligands. The coordination geometry at the Pr(III) atom is distorted tricapped trigonal prismatic. One phenyl ring is disordered over two positions; the site occupancy factors are ca 0.6 and 0.4.

| S-EPMC2960179 | biostudies-literature

Aqua-(2,9-dimethyl-1,10-phenanthroline-κN,N')diformato-κO,O';κO-nickel(II) monohydrate.

Project description:The asymmetric unit of the title compound, [Ni(HCO(2))(2)(C(14)H(12)N(2))(H(2)O)]·H(2)O, contains a mononuclear complex mol-ecule hydrogen bonded to a lattice water mol-ecule. The Ni(II) atom exhibits a distorted octa-hedral coordination geometry formed by the N atoms from a 2,9-dimethyl-1,10-phenanthroline ligand, two O atoms of a chelating formate anion, one aqua O atom and one O atom of a coordinating formate anion. The mol-ecules are assembled into chains extending along [100] through by O-H⋯O hydrogen bonds. The supra-molecular chains are further linked into layers parallel to (011) by weak π-π packing inter-actions [centroid-centroid separation = 3.768 (2) Å]. The resulting layers are stacked to meet the requirement of close-packing patterns.

| S-EPMC3200966 | biostudies-literature

catena-Poly[[(nitrato-κO)(1,10-phenanthroline-κN,N')manganese(II)]-μ-nitrato-κO:O'].

Project description:In the crystal structure of the title compound, [Mn(NO(3))(2)(C(12)H(8)N(2))](n), the Mn(II) atoms are linked by nitrate ligands to form a chain. Each Mn(II) atom is five-coordinated by two N atoms of a 1,10-phenanthroline ligand and three O atoms of two nitrates within a trigonal-bipyramidal coordination geometry. In the crystal structure, the chains are linked by hydrogen bonds into a polymeric ribbon structure.

| S-EPMC2914918 | biostudies-literature

Tris(nitrato-κO,O')bis-(1,10-phenanthroline-κN,N')holmium(III).

Project description:In the title compound, [Ho(NO(3))(3)(C(12)H(8)N(2))(2)], the ten-coordinate Ho(III) ion is chelated by four N atoms from two phenanthroline (phen) ligands and six O atoms from three bidentate nitrate groups. The environment around the Ho atom can be described as a distorted bicapped square anti-prism. Two phenanthroline ligands form a dihedral angle of 43.72 (13)°. Short inter-molecular distances between the centroids of the six-membered rings [3.6887 (14)-3.8374 (16) Å] indicate the existence of π-π inter-actions, which link the mol-ecules into stacks extended in the [10] direction. The crystal packing is further stabilized by weak inter-molecular C-H⋯O hydrogen bonds.

| S-EPMC2961938 | biostudies-literature

Tetra-kis(μ-2-phen-oxy-propionato)-κO,O':O';κO:O,O',κO:O'-bis-[(1,10-phenanthroline-κN,N')(2-phen-oxy-propionato-κO,O')praseodymium(III)].

Project description:In the centrosymmetric binuclear title complex, [Pr(2)(C(9)H(9)O(3))(6)(C(12)H(8)N(2))(2)], the two Pr(III) ions are linked by four 2-phen-oxy-propionate (L) groups through their bi- and tridentate bridging modes. Each Pr(III) ion is nine-coordinated by one 1,10-phenanthroline mol-ecule, one bidentate carboxyl-ate group and four bridging carboxyl-ate groups in a distorted PrN(2)O(7) monocapped square-anti-prismatic geometry. The title compound is isotypic with its terbium- and dysprosium-containing analogues.

| S-EPMC3200949 | biostudies-literature

Bis(3,5-dicarboxy-benzoato-κO,O')(1,10-phenanthroline-κN,N')cadmium(II).

Project description:The mol-ecule of the title compound, [Cd(C(9)H(5)O(6))(2)(C(12)H(8)N(2))], has crystallographic twofold rotation symmetry. The Cd(II) atom, located on the twofold axis, assumes a CdO(4)N(2) distorted octa-hedral coordination geometry. In the crystal structure, the mol-ecules link to each other by O-H⋯O and C-H⋯O hydrogen bonding to form a three-dimensional supra-molecular network.

| S-EPMC2914923 | biostudies-literature

Bis(3,4-dimethoxy-benzoato-?O,O')(1,10-phenanthroline-?N,N')copper(II).

Project description:The asymmetric unit of the title compound, [Cu(C(9)H(9)O(4))(2)(C(12)H(8)N(2))], contains one half-mol-ecule, the complete mol-ecule being generated by a twofold rotation axis. The Cu(II) atom exhibits a six-coordinated distorted octa-hedral geometry with two N atoms from the phenanthroline ligand [Cu-N 2.007?(2)?Å] and four O atoms from two 3,4-dimethoxy-benzoate ligands [Cu-O 1.950?(1) and 2.524?(1)?Å]. The difference in Cu-O bond distances indicates a strong Jahn-Teller effect. In the crystal, C-H?? inter-actions result in chains of mol-ecules along the c axis.

| S-EPMC2980123 | biostudies-literature

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