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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')erbium(III)}.

ABSTRACT: In the dimeric centrosymmetric title complex, [Er(2)(C(10)H(11)O(4))(6)(C(12)H(8)N(2))(2)], the Er(III) ion is nine-coordinated by five 2-(3,4-dimeth-oxy-lphen-yl)acetic acid (DMPA) ligands via seven O atoms and two N atoms from a bis-chelating 1,10-phenanthroline (phen) ligand in a distorted tricapped trigonal-prismatic geometry. The DMPA ligands are coordinated to the Er(III) ion in bis-chelate, bridging and bridging tridentate modes. Relatively weak intra-molecular C-H?O inter-actions reinforce the stability of the mol-ecular structure. Inter-molecular C-H?O inter-actions are also observed.

SUBMITTER: Liu JL

PROVIDER: S-EPMC3009341 | biostudies-literature | 2010 Oct

REPOSITORIES: biostudies-literature

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

Liu Jia-Lu JL Li Hua-Qiong HQ Zhao Guo-Liang GL

Acta crystallographica. Section E, Structure reports online 20101013 Pt 11

In the dimeric centrosymmetric title complex, [Er(2)(C(10)H(11)O(4))(6)(C(12)H(8)N(2))(2)], the Er(III) ion is nine-coordinated by five 2-(3,4-dimeth-oxy-lphen-yl)acetic acid (DMPA) ligands via seven O atoms and two N atoms from a bis-chelating 1,10-phenanthroline (phen) ligand in a distorted tricapped trigonal-prismatic geometry. The DMPA ligands are coordinated to the Er(III) ion in bis-chelate, bridging and bridging tridentate modes. Relatively weak intra-molecular C-H⋯O inter-actions reinfor ...[more]

PMID: 21588841

Similar Datasets

Tetra-kis(μ-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 π-π 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-2-(3,4-dimeth-oxy-phen-yl)acetato]-κO:O';κO,O':O;κO:O,O'-bis-{[2-(3,4-dimeth-oxy-phen-yl)acetato-κO,O'](1,10-phenanthroline-κN,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.

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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.

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(3,4-Dimeth-oxy-phen-yl)(4-fluoro-phen-yl)methanone.

Project description:In the title compound, C(15)H(13)FO(3), the dihedral angle between the two aromatic rings is 52.78?(8)°. In the crystal, inter-molecular C-H?O hydrogen bonds link mol-ecules into chains running parallel to the c axis.

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2-(3,4-Dimeth-oxy-phen-yl)-1H-benzimidazole.

Project description:In title compound, C(15)H(14)N(2)O(2), the dihedral angle between the 3,4-dimeth-oxy-phenyl group and the benzimidazole system is 26.47 (6)°. In the crystal, neighbouring mol-ecules are linked by N-H⋯N hydrogen bonds into C(4) chains propagating along the c-axis direction. The crystal structure also features weak C-H⋯O inter-actions.

| S-EPMC3238911 | biostudies-literature

(E)-3-(2,4-Dimeth-oxy-phen-yl)-1-(3,4-dimeth-oxy-phen-yl)prop-2-en-1-one.

Project description:The title compound, C(19)H(20)O(5), is approximately planar; the dihedral angle between the benzene rings is 3.82?(8)°, and the central propenone C(=O)-C=C plane makes dihedral angles of 1.95?(10) and 3.17?(11)° with the two benzene rings. In the crystal structure, intra- and inter-molecular C-H?O hydrogen bonds are observed.

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(3,4-Dimeth-oxy-phen-yl)[2-(thio-phen-2-ylcarbon-yl)phen-yl]methanone.

Project description:In the title compound, C(20)H(16)O(4)S, the thiophene ring makes dihedral angles of 72.9?(2) and 60.5?(2)°, respectively, with the dimethoxy benzene and phenyl rings. In the crystal, C-H?O hydrogen bonds link the mol-ecules into a C(9) chain along the b axis. The S and C atoms of the thio-phene ring are disordered over two sets of sites [site occupancies = 0.675?(3) and 0.325?(3)]. A short inter-molecular S?O contact [3.084?(2)?Å] is observed in the crystal structure, which also features C-H?? inter-actions.

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2-(2-Chloro-phen-yl)-3-(3,4-dimeth-oxy-phen-yl)quinoxaline.

Project description:The title compound, C(22)H(17)ClN(2)O(2), was synthesized by the condensation reaction between 1,2-phenyl-enediamine and 2-chloro-3',4'-dimeth-oxy-benzil in boiling acetic acid. The chloro-phenyl and dimeth-oxy-phenyl rings make dihedral angles of 78.45 (5) and 35.60 (4)°, respectively, with the quinoxaline unit.

| S-EPMC3007581 | biostudies-literature

1-(3,4-Dimeth-oxy-phen-yl)propan-1-one.

Project description:The title compound, C(11)H(14)O(3), was isolated from the stems of Trigonostemon xyphophylloides, which belongs to Trigonostemon genus of Euphorbiaceae. The plants in this genus were used in folk medicine, such as for the treatment of diseases caused by viruses and fungi. The limited investigation of the chemistry of this plant prompted an examination of constituents of its twigs, from which the title compound was isolated. The mol-ecule is approximately planar with an r.m.s. deviation of 0.1237Å. In the crystal, inter-molecular C-H⋯O hydrogen bonds connect the mol-ecules into a two-dimensional network structure with an R(2) (2)(12) graph-set motif.

| S-EPMC3201510 | biostudies-literature

1-[4-(Difluoro-meth-oxy)phen-yl]-N-(3,4-dimeth-oxy-phen-yl)-1H-1,2,4-triazole-3-carboxamide.

Project description:Two crystallographically independent mol-ecules, A and B, with similar conformations are present in the asymmetric unit of the title compound, C(18)H(16)F(2)N(4)O(4). In mol-ecule A, the plane of the 1,2,4-triazole ring is tilted relative of the 4-difluoro-meth-oxy-substituted and the 3,4-dimeth-oxy-substituted benzene rings by 6.5 (2) and 16.4 (1)°, respectively. The -CHF(2) group is twisted away from the plane of the benzene ring, with a dihedral angle between the O-C bond of the OCHF(2) group and the plane of the adjacent phenyl ring of 38.6 (3)°. The corresponding parameters for mol-ecule B are 7.7 (1), 9.5 (2) and 25.2 (2)°. In both mol-ecules, the conformations are stabilized by intra-molecular N-H⋯N and C-H⋯O hydrogen bonds. There are also C-H⋯π contacts between the methyl groups and the benzene rings, and π-π stacking inter-actions between the benzene rings of adjacent parallel A mol-ecules [centroid-centroid distance = 3.8942 (17) Å]. π-π inter-actions are also observed between the triazole ring and one of the benzene rings of parallel B mol-ecules [centroid-centroid distance = 3.7055 (16) Å].

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