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μ-Oxido-bis-({2,2'-[o-phenylenebis(nitrilo-methylidyne)]diphenolato}iron(III)) methanol monosolvate dihydrate.

ABSTRACT: The title complex, [Fe(2)(C(20)H(14)N(2)O(2))(2)O]·CH(4)O·2H(2)O, is composed of μ-oxido-bridged ferric 2,2'-[o-phenylene-bis(nitrilo-methylidyne)]diphenolate (salphen) dimers, one methanol mol-ecule and two H(2)O mol-ecules. Each iron(III) ion, surrounded by two coordinating N and O atoms from the salphen ligand and one bridging O atom, shows a five-coordinate square-pyramidal geometry. One of the two solvent water mol-ecules is disordered over three positions with occupancies of 0.44 (1), 0.37 (1) and 0.19 (1).

SUBMITTER: Yan JH

PROVIDER: S-EPMC3007942 | biostudies-literature |

REPOSITORIES: biostudies-literature

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{μ-6,6'-Dimeth-oxy-2,2-[propane-1,3-diylbis(nitrilo-methanylyl-idene)]diphenolato}trinitratocopper(II)dysprosium(III) methanol monosolvate.

Project description:In the title heterodinuclear salen-type complex, [CuDy(C(19)H(20)N(2)O(4))(NO(3))(3)]·CH(3)OH, the copper(II) ion is tetra-coordinated by two imino N atoms [Cu-N = 1.961 (4) and 1.968 (4) Å] and two phenolate O atoms [Cu-O = 1.931 (3) and 1.938 (3) Å] in a planar geometry. The ten-coordin-ate Dy(III) ion is ligated by six O atoms of three nitrate groups and four O atoms from the ligand [Dy-O = 2.368 (3)-2.601 (3) Å]. In the crystal, complex mol-ecules and solvent mol-ecules are linked by inter-molecular O-H⋯O hydrogen bonds.

| S-EPMC3051998 | biostudies-literature

μ-Oxido-bis-({4,4'-dibromo-2,2'-ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato}iron(III)).

Project description:In the title compound, [Fe(2)(C(16)H(12)Br(2)N(2)O(2))(2)O], the complete mol-ecule is generated by twofold symmetry, with the bridging O atom, which links the iron centres, lying on the roatation rotation axis. The Fe(III) ion is chelated by the N,N,O,O-tetra-dentate Schiff base dianion, resulting in an FeN(2)O(3) square-based pyramid, with the two N atoms in the basal plane.

| S-EPMC2914945 | biostudies-literature

Bis(4-chloro-pyridine){2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato}cobalt(III) perchlorate methanol monosolvate.

Project description:In the title complex, [Co(C(16)H(14)N(2)O(2))(C(5)H(4)ClN)(2)]ClO(4)·CH(3)OH, the Co(III) ion is in a slightly distorted octa-hedral CoN(4)O(2) coordination environment with the two 4-chloro-pyridine ligands in a trans arrangement.

| S-EPMC3011786 | biostudies-literature

catena-Poly[[[{5,5'-dimeth-oxy-2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato}manganese(III)]-?-acetato] methanol monosolvate].

Project description:The title Mn(III) compound, {[Mn(C(18)H(18)N(2)O(4))(CH(3)COO)]·CH(3)OH}(n), was synthesized by a reaction between mangan-ese(II) acetate and ethyl-enebis(4-meth-oxy-salicylaldimine). The structure is made up of bis-(4-meth-oxy-salicyldene)ethyl-enediaminatomanganese(III) units bridged by acetate groups, with Mn-N = 1.9786?(9), Mn-O = 1.8784?(10) and Mn-O(acetate) = 2.056?(9) and 2.2571?(9)?Å, forming a one dimensional polymer (-Mn-acetate-Mn-acetate-) along [100]. The Mn(III) atom is in a Jahn-Teller-distorted octa-hedral environment with cis angles ranging from 81.87?(4) to 96.53?(4)° and trans angles ranging from 166.11?(3) to 173.93?(3)°. The methanol solvent mol-ecule is hydrogen bonded to the phenolate O atom. In addition to this classical hydrogen bond, there are weak C-H?O inter-actions. The structure was determined from a crystal twinned by pseudo-merohedry.

| S-EPMC3008984 | biostudies-literature

Chlorido[2,2'-[1,2-phenyl-enebis(nitrilo-methanylyl-idyne)]diphenolato-?(4) O,N,N',O']manganese(III) methanol monosolvate.

Project description:In the title complex, [Mn(C20H14N2O2)Cl]·CH3OH, the central Mn(III) atom displays a distorted square-pyramidal coordination by two N and two O atoms from the tetradentate 2,2'-[1,2-phenyl-enebis(nitrilo-methanylyl-idyne)]diphenolate ligand and one chloride ligand. The Mn(III) atom is 0.525?(4)?Å out of the square basal N2O2 least-squares plane. The complex mol-ecule is hydrogen bonded to the methanol solvent mol-ecule.

| S-EPMC3772432 | biostudies-literature

{μ-6,6'-Dimeth-oxy-2,2'-[cyclo-hexane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato}methanol-μ-nitrato-dinitratocopper(II)europium(III).

Project description:In the title dinuclear salen-type complex, [CuEu(C(22)H(24)N(2)O(4))(NO(3))(3)(CH(3)OH)], the Cu(II) ion is five-coordinated to two imine N atoms and two phenolate O atoms and one O from the bridging nitrate group. The Eu(III) ion is ligated to three nitrate groups, four O atoms from the salen-type ligand and one methanol mol-ecule, leading to a distorted tenfold coordination for the rare earth cation. One of the three nitrate anions is disordered over two positions in a 0.66 (5):0.34 (5) ratio.

| S-EPMC3008985 | biostudies-literature

Dichlorido{μ(3)-6,6'-dieth-oxy-2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato}octa-methyldi-μ(3)-oxido-tetra-tin(IV).

Project description:In the title tetra-nuclear tin(IV) complex, [Sn(4)(CH(3))(8)(C(20)H(22)N(2)O(4))Cl(2)O(2)], there are three completely different tin-atom coordinations. One metal atom (site symmetry 2) adopts a distorted penta-gonal-bipyramidal SnC(2)N(2)O(3) coordination arising from the N,N',O,O'-tetra-dentate deprotonated Schiff base, two methyl groups in the axial sites and a μ(3)-O atom that also bonds to two further Sn atoms. Two symmetry-equivalent Sn atoms adopt very distorted SnC(2)O(4) arrangements that could be described as penta-gonal-bipyramidal with one equatorial vertex missing and the C atoms in the axial site. The final Sn atom (site symmetry 2) adopts an SnC(2)Cl(2)O trigonal-bipyramidal arrangement, with Cl atoms in the axial sites. As well as the two Sn atoms, one O atom lies on a twofold rotation rotation axis, and another is disordered about the axis. The terminal eth-oxy group is disordered over two sets of sites with equal occupancy.

| S-EPMC2970047 | biostudies-literature

Crystal structure of {2,2'-[ethyl-enebis(nitrilo-methanylyl-idene)]diphenolato-?(4) O,N,N',O'}oxidovanadium(IV) methanol monosolvate.

Project description:Two independent mol-ecules of the title solvated complex, [V(C16H14N2O2)O]·CH3OH, also known as [N,N'-bis-(salicyl-idene)ethyl-enedi-amine]-oxidovanadium(IV) or vanadyl salen, crystallize in the asymmetric unit. Each disordered methanol solvent mol-ecule [occupancy ratios 0.678?(4):0.322?(4) and 0.750?(5):0.250?(5)] is linked to a [N,N'-bis-(salicyl-idene)ethyl-enedi-amine]-oxidovanadium(IV) mol-ecule by an O-H?O hydrogen bond and to others by C-H?O hydrogen bonds. The resulting extended structure consists of a bilayer of mol-ecules parallel to the ab plane. Despite the fact that solvates are common in complexes derived from substituted analogues of the N,N'-bis-(salicyl-idene)ethyl-enedi-amine ligand, the title solvate is the first one of [N,N'-bis-(salicyl-idene)ethyl-enedi-amine]-oxidovanadium(IV) to be structurally characterized. The two vanadyl species have very similar inter-nal geometries, which are best characterized as distorted square-based pyramidal with the vanadium atom displaced from the N2O2 basal plane by 0.5966?(9)?Å in the direction of the doubly-bonded oxide ligand.

| S-EPMC4257326 | biostudies-literature

{μ-6,6'-Dimeth-oxy-2,2'-[propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenolato}dimethanoltrinitratonickel(II)praseodymium(III) methanol disolvate.

Project description:In the title dinuclear complex, [NiPr(C(19)H(20)N(2)O(4))(NO(3))(3)(CH(3)OH)(2)]·2CH(3)OH, the Ni(II) ion is coordinated by two O atoms and two N atoms of a Schiff base ligand and by two methanol ligands, forming a slightly distorted octa-hedral geometry. The Pr(III) ion is coordinated by six O atoms from three chelating nitrate ligands and four O atoms from a Schiff base ligand, forming a distorted bicapped square-anti-prismatic environment. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds connect complex mol-ecules and methanol solvent mol-ecules to form (10) sheets.

| S-EPMC2960940 | biostudies-literature

{μ-6,6'-Dimeth-oxy-2,2'-[propane-1,3-diylbis(nitrilo-methyl-idyne)]diphenolato}dimethano-ltrinitratonickel(II)europium(III) methanol disolvate.

Project description:The title dinuclear complex, [EuNi(C(19)H(20)N(2)O(4))(NO(3))(3)(CH(3)OH)(2)]·2CH(3)OH, is isostructural with its Ni(II)/Pr(III) analogue. The Ni(II) ion is coordinated by two O atoms and two N atoms of a Schiff base ligand and by two methanol mol-ecules, forming a slightly distorted octa-hedral geometry. The Eu(III) ion is coordinated by six O atoms from three chelating nitrate ligands and four O atoms from a Schiff base ligand, forming a distorted bicapped square-anti-prismatic environment. Inter-molecular O-H⋯O hydrogen bonds connect complexes and methanol solvent mol-ecules.

| S-EPMC2968012 | biostudies-literature

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