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Tetra-kis(?-naphthalene-1-acetato-1:2?O:O')bis-(naphthalene-1-acetato)-1?O,O';2?O,O'-bis-(1,10-phenanthroline)-1?N,N';2?N,N'-europium(III)samarium(III).

ABSTRACT: In the title compound, [EuSm(C(12)H(9)O(2))(6)(C(12)H(8)N(2))(2)], the metal site is statistically occupied (50:50) by Eu and Sm atoms, forming a centrosymmetric complex. The metal site is nine-coordinate, in a distorted monocapped square-anti-prismatic coordination geometry. Mol-ecules are linked into three chains by C-H?? interactions and C-H?O hydrogen bonds. The combination of these chains generates a three-dimensional framework structure. One of the bridging naphthalene-1-ace-tate ligands was found to be disordered over two sites; the site occupancies for the naphthylmethyl group refined to 0.628?(14) and 0.372?(14).

SUBMITTER: Xia HT

PROVIDER: S-EPMC2959786 | 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(?-propanoato-?O:O')bis-[(1,10-phenanthroline-?N,N')(propanoato-?O,O')samarium(III)].

Project description:The title complex, [Sm(2)(C(3)H(5)O(2))(6)(C(12)H(8)N(2))(2)], is a dinuclear centrosymmetric mol-ecule, in which two crystallographically equivalent Sm atoms, separated by 3.9502?(2)?Å, are bridged by four propanoate anions. Each Sm atom is coordinated by two N atoms from one chelating phenanthroline ligand and seven carboxylate O atoms from five propanoate anions, to form a distorted tricapped trigonal prism.

| S-EPMC2915056 | 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-?-acetato-?O:O';?O,O':O';?O:O,O'-bis-[(acetato-?O,O')(1,10-phenanthroline-?N,N')europium(III)].

Project description:In the title centrosymmetric dinuclear Eu(III) complex, [Eu(2)(CH(3)COO)(6)(C(12)H(8)N(2))(2)], each Eu(III) cation is coordinated by seven O atoms from five acetate anions and two N atoms from one phenanthroline ligand in a distorted tricapped trigonal-prismatic geometry. Four acetate anions bridge two Eu(III) cations to form the dinuclear complex, with an Eu?Eu distance of 3.9409?(8)?Å. Weak inter-molecular C-H?O hydrogen bonding is present in the crystal structure.

| S-EPMC2979550 | biostudies-literature

Tetra-?-acetato-?O:O';?O,O':O;?O:O,O'-bis-[(acetato-?O,O')(1,10-phenanthroline-?N,N')europium(III)].

Project description:In the title centrosymmetric dinuclear complex, [Eu(2)(CH(3)CO(2))(6)(C(12)H(8)N(2))(2)], the Eu(III) atom is nine-coordinated by two N atoms from a 1,10-phenanthroline ligand and seven O atoms from five acetate ligands (two bidentate, three monodentate). The crystal structure is stabilized by ?-? stacking inter-actions between the pyridine and benzene rings of adjacent mol-ecules, with a centroid-centroid distance of 3.829?(2)?Å.

| S-EPMC3011772 | biostudies-literature

Tetra-kis(?-6-hydr-oxy-1-naphthoato)bis-[(6-hydr-oxy-1-naphthoato)(1,10-phenanthroline)europium(III)] dihydrate.

Project description:The title complex, [Eu(2)(C(11)H(7)O(3))(6)(C(12)H(8)N(2))(2)]·2H(2)O, has a centrosymmetric binuclear cage structure in which the two Eu(III) ions are both nine-coordinated and bridged by 6-hy-droxy-1-naphthoate (L) ligands, with an Eu? Eu separation of 4.1594?(4)?Å. The remaining coordination sites are occupied by two N atoms from one 1,10-phenanthroline (phen) and two O atoms from an L ligand. The six 6-hydr-oxy-1-naphthoate groups coordinate each Eu(III) atom in three different ways, namely ?(2)-?(1):?(1)-bridging, ?(1)-?(1):?(1)-chelating, and ?(2)-?(1):?(2)-chelating/bridging modes. Adjacent discrete dinuclear units are linked into a two-dimensional sheet parallel to (011) by inter-molecular O-H?O hydrogen-bonding inter-actions. The sheets are cross-linked by water mol-ecules, forming a three-dimensional network. In addition, ?-? stacking inter-actions, with a centroid-centroid separation of 3.547?(2)?Å are observed.

| S-EPMC2972167 | biostudies-literature

Tetra-kis[?-2-(3,4-dimeth-oxy-phen-yl)acetato]-?O:O';?O,O':O;?O:O,O'-bis-{[2-(3,4-dimeth-oxy-phen-yl)acetato-?O,O'](1,10-phenanthroline-?N,N')samarium(III)}.

Project description:In the centrosymmetric dinuclear title complex, [Sm(2)(C(10)H(11)O(4))(6)(C(12)H(8)N(2))(2)], the Sm(III) ion is nine-coordinated by seven O atoms of five 2-(3,4-dimeth-oxy-phen-yl)acetate (DMPA) ligands and two N atoms of one bis-chelating 1,10-phenanthroline (phen) ligand, forming a distorted tricapped trigonal-prismatic environment. The DMPA ligands coordinate in bis-chelate, bridging and bridging tridentate modes. An intra-molecular C-H?O hydrogen bond occurs. Inter-molecular C-H?O inter-actions are also present in the crystal.

| S-EPMC3009179 | 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

Tetra-kis(μ-2,4-difluoro-benzoato)bis-[(2,4-difluoro-benzoato)(1,10-phenanthroline)gadolinium(III)].

Project description:In the title compound, [Gd(2)(C(7)H(3)F(2)O(2))(6)(C(12)H(8)N(2))(2)], the asymmetric unit comprises one Gd(3+) cation chelated by two 2,4-difluoro-benzoate and one 1,10-phenanthroline ligands. Two cations are linked into a centrosymmetric dimer via three bridging carboxyl-ate groups of 2,4-difluoro-benzoate ligands. Each Gd(3+) ion is nine-coordinated by seven O atoms and two N atoms.

| S-EPMC2960912 | biostudies-literature

Chloridobis(1,10-phenanthroline-?N,N')copper(II) tetra-kis-(nitrato-?O,O')(1,10-phenanthroline-?N,N')terbate(III).

Project description:The title complex salt, [CuCl(C(12)H(8)N(2))(2)][Tb(NO(3))(4)(C(12)H(8)N(2))], consists of discrete [CuCl(phen))(2)](+) cations and [Tb(NO(3))(4)(phen)](-) anions (phen is 1,10-phenanthroline). The [CuCl(phen))(2)](+) cation contains a five-coordinate Cu(2+) ion, ligated by two bidentate phen ligands and one Cl(-) ion, exhibiting a distorted CuN(4)Cl trigonal-bipyramidal geometry. In the [Tb(NO(3))(4)(phen)](-) anion, the Tb(3+) ion is coordinated by one chelating phen ligand and four chelating nitrates, forming a distorted TbN(2)O(8) bicapped dodeca-hedral configuration. The anions and cations are assembled into a three-dimensional network by weak C-H?Cl and C-H?O hydrogen bonds. There is also a significant ?-? stacking inter-action, with a centroid-centroid distance of 3.635?(2)?Å.

| S-EPMC3120589 | biostudies-literature

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