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

ABSTRACT: 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.

SUBMITTER: Fan RQ

PROVIDER: S-EPMC3011772 | biostudies-literature | 2010 Nov

REPOSITORIES: biostudies-literature

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

Fan Rui-Qing RQ Sun Cun-Fa CF Yang Yu-Lin YL

Acta crystallographica. Section E, Structure reports online 20101113 Pt 12

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 π-π stacking inter-actions between the pyridine and benzene rings of adjacent mol-ecules, with a centroid-centroid distance of 3.829 (2) Å. ...[more]

PMID: 21589254

Similar Datasets

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-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(?-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).

Project description: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).

| S-EPMC2959786 | 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

(Acetato-?O,O')bis-(1,10-phenanthroline-?N,N')copper(II) trifluoro-acetate tetra-hydrate.

Project description:In the title compound, [Cu(CH(3)CO(2))(C(12)H(8)N(2))(2)](CF(3)CO(2))·4H(2)O, the Cu(II) atom shows a distorted octa-hedral coordination with four N atoms [Cu-N = 2.015?(3)-2.244?(3)?Å] from the two phenanthroline ligands and two O atoms from the acetate [Cu-O = 1.953?(3) and 2.764?(3)?Å]. Strong inter-molecular O-H?O hydrogen-bonding inter-actions consolidate the crystal packing. The F atoms of the anion are disordered over two positions in a 0.5233?(3):0.4767?(3) ratio.

| S-EPMC3007037 | biostudies-literature

Chloridobis(1,10-phenanthroline)zinc(II) tetra-chlorido(1,10-phenan-throline)bis-muthate(III) monohydrate.

Project description:In the crystal structure of the title monohydrate salt, [ZnCl(C(12)H(8)N(2))(2)][BiCl(4)(C(12)H(8)N(2))]·H(2)O, the ionic components are linked into three-dimensional supra-molecular channels by five pairs of C-H?Cl hydrogen bonds and ?-? stacking inter-actions with an inter-planar distance of 3.643?(2)?Å. The solvent water mol-ecules are lodged in the channels.

| S-EPMC3050139 | biostudies-literature

Bis(2,6-dihy-droxy-benzoato-?O,O)(nitrato-?O,O')bis-(1,10-phenanthroline-?N,N')europium(III).

Project description:The title mononuclear complex, [Eu(C(7)H(5)O(3))(2)(NO(3))(C(12)H(8)N(2))(2)], is isostructural with those of other lanthanides. The Eu atom is in a pseudo-bicapped square-anti-prismatic geometry, formed by four N atoms from two chelating 1,10-phenanthroline (phen) ligands and by six O atoms, four from two 2,6-dihy-droxy-benzoate (DHB) ligands and the other two from a nitrate anion. ?-? stacking inter-actions between phen and DHB ligands [centroid-centroid distances = 3.5312?(19) and 3.8347?(16)?Å], and between phen and phen ligands [face-to-face separation = 3.433?(4)?Å] of adjacent complexes stabilize the crystal structure. Intra-molecular O-H?O hydrogen bonds are observed in the DHB ligands.

| S-EPMC3011488 | 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-?-benzoato-?O:O';?O:O,O';?O,O':O'-bis-[(benzoato-?O,O')(1,10-phenanthroline-?N,N')europium(III)] benzoic acid disolvate.

Project description:The asymmetric unit of the title complex, [Eu(2)(C(7)H(5)O(2))(6)(C(12)H(8)N(2))(2)]·2C(6)H(5)COOH, contains one-half of the complex mol-ecule, the complete mol-ecule being generated by inversion symmetry, and one benzoic acid solvent mol-ecule. The two Eu(III) ions are linked by four bridging benzoate ions, with an Eu?Eu distance of 3.96041?(12)?Å. Each Eu(III) ion is coordinated by one phenanthroline heterocycle and a bidentate benzoate ion. The irregular nine-coordinated geometry of the metal ion is composed of seven O and two N atoms. The mol-ecular structure is stabilized by intra-molecular C-H?O hydrogen bonds. In the crystal structure, mol-ecules are linked into chains by inter-molecular C-H?O hydrogen bonds along the a axis. The crystal structure is further stabilized by inter-molecular C-H?O and C-H?? inter-actions. Weak ?-? inter-actions are also observed [centroid-centroid distances = 3.6962?(10)-3.6963?(10)?Å].

| S-EPMC2979066 | biostudies-literature

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