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[5,5'-Dihydr-oxy-2,2'-[o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}copper(II) methanol disolvate.

ABSTRACT: In the title compound, [Cu(C(20)H(14)N(2)O(4))]·2CH(3)OH, the Cu(II) ion is coordinated by two N [Cu-N = 1.933?(2) and 1.941?(2)?Å] and two O [Cu-O = 1.890?(2) and 1.9038?(19)?Å] atoms from the tetra-dentate Schiff base ligand 5,5'-dihydr-oxy-2,2'-[o-phenyl-enebis(nitrilo-methyl-idyne)]diphen-olate (L) in a distorted square-planar geometry. In the crystal, inter-molecular O-H?O hydrogen bonds link two CuL mol-ecules and four solvent mol-ecules into a centrosymmetric cluster. The crystal packing exhibits short inter-molecular C?C contacts of 3.185?(4) and 3.232?(4)?Å.

SUBMITTER: Niu M

PROVIDER: S-EPMC2980178 | biostudies-literature | 2009 Dec

REPOSITORIES: biostudies-literature

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[5,5'-Dihydr-oxy-2,2'-[o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}copper(II) methanol disolvate.

Niu Meiju M Fan Shumei S Liu Kai K Cao Zhiqiang Z Wang Daqi D

Acta crystallographica. Section E, Structure reports online 20091219 Pt 1

In the title compound, [Cu(C(20)H(14)N(2)O(4))]·2CH(3)OH, the Cu(II) ion is coordinated by two N [Cu-N = 1.933 (2) and 1.941 (2) Å] and two O [Cu-O = 1.890 (2) and 1.9038 (19) Å] atoms from the tetra-dentate Schiff base ligand 5,5'-dihydr-oxy-2,2'-[o-phenyl-enebis(nitrilo-methyl-idyne)]diphen-olate (L) in a distorted square-planar geometry. In the crystal, inter-molecular O-H⋯O hydrogen bonds link two CuL mol-ecules and four solvent mol-ecules into a centrosymmetric cluster. The crystal packing ...[more]

PMID: 21579970

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A new Schiff base nickel(II) complex: {5,5'-dihydr-oxy-2,2'-[o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}nickel(II) methanol disolvate.

Project description:The monomeric title nickel(II) complex of a salicylaldimine, [Ni(C(20)H(14)N(2)O(4))]·2CH(3)OH, was obtained by the reaction of 2,4-dihydroxy-benzaldehyde and 1,2-phenyl-enediamine with nickel(II) acetate. The Ni(II) atom is coordinated by two N atoms [Ni-N = 1.839?(2)?Å] and two O atoms [Ni-O = 1.8253?(19)?Å] in an approximately square-planar geometry. In the crystal structure, inter-molecular O-H?O hydrogen bonds link the mol-ecules into a chain along [001].

| S-EPMC2971377 | biostudies-literature

{5,5'-Dihydr-oxy-2,2'-[o-phenyl-enebis-(nitrilo-methyl-idyne)]diphenolato}nickel(II) dihydrate.

Project description:In the title complex, [Ni(C(20)H(14)N(2)O(4))]·2H(2)O, the Ni(II) ion is in an essentially square-planar geometry involving an N(2)O(2) atom set of the tetra-dentate Schiff base ligand. The Ni atom lies on a crystallographic twofold rotation axis. The asymmetric unit contains one half-mol-ecule of the complex and a water mol-ecule. An inter-molecular O-H?O hydrogen bond forms a four-membered ring, producing an R(1) (2)(4) ring motif involving a bifurcated hydrogen bond to the phenolate O atoms of the complex mol-ecule. In the crystal structure, mol-ecules are linked by ?-? stacking inter-actions, with centroid-centroid distances in the range 3.5750?(11)-3.7750?(11)?Å. As a result of the twofold symmetry, the central benzene ring makes the same dihedral angle of 15.75?(9)° with the two outer benzene rings. The dihedral angle between the two hydroxy-phenyl rings is 13.16?(5)°. In the crystal structure, mol-ecules are linked into infinite one-dimensional chains by directed four-membered O-H?O-H inter-actions along the c axis and are further connected by C-H?O and ?-? stacking into a three-dimensional network. An inter-esting feature of the crystal structure is the short Ni?O, O?O and N?N inter-actions which are shorter than the sum of the van der Waals radii of the relevant atoms. The crystal structure is stabilized by inter-molecular O-H?O and C-H?O hydrogen bonds and by ?-? stacking inter-actions.

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{6,6'-Dimeth-oxy-2,2'-[4-bromo-o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}nickel(II) methanol solvate.

Project description:In the title compound, [Ni(C(22)H(17)BrN(2)O(4))]·CH(3)OH, the Ni(II) ion is in a slightly distorted square-planar geometry involving an N(2)O(2) atom set of the tetra-dentate Schiff base ligand. The asymmetric unit contains one nickel complex and one methanol solvent mol-ecule. The dihedral angle between the aromatic ring planes of the central aromatic ring and other two aromatic rings are 10.8?(3) and 6.0?(2)°. The crystal structure is stabilized by inter-molecular C-H?O and C-H?Br and by intra-molecular O-H?O hydrogen bonds.

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Chlorido{5,5'-dimeth-oxy-2,2'-[1,2-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}manganese(III).

Project description:In the title complex, [Mn(C(22)H(18)N(2)O(4))Cl], the Mn(III) centre is in a distorted square-pyramidal configuration, with the basal plane formed by the N(2)O(2) donors of the tetra-dentate Schiff base dianion; the two phenolate O atoms and the two imine N atoms are each mutually cis. The chloride ion occupies the apical position. The dihedral angle between the two outer phenolate rings of the tetra-dentate Schiff base ligand is 16.44 (9)°. The central benzene ring makes dihedral angles of 10.64 (9) and 25.17 (10)° with the two outer phenolate rings. In the crystal structure, weak C-H⋯O and C-H⋯Cl inter-actions link the mol-ecules into wave-like face-to-face double layers along the c direction. A π-π inter-action involving the two outer phenolate rings is observed, the centroid-centroid distance being 3.743 (11) Å.

| S-EPMC2961208 | biostudies-literature

{6,6'-Dieth-oxy-2,2'-[ethyl-enebis(nitrilo-methyl-idyne)]diphenolato}nickel(II) monohydrate.

Project description:In the title compound, [Ni(C(20)H(22)N(2)O(4))]·H(2)O, the Ni(II) ion and the water mol-ecule are located on a twofold rotation axis. The Ni ion is coordinated by two N [Ni-N = 1.8462 (18) Å] and two O [Ni-O = 1.8645 (14) Å] atoms in a distorted square-planar geometry. The water mol-ecule and the Ni complex mol-ecule are paired via O-H⋯O hydrogen bonds.

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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

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

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| S-EPMC2960610 | 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

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