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{4,4',6,6'-Tetra-chloro-2,2'-[(spiro-[4.4]nonane-1,6-di-yl)bis-(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}nickel(II).

ABSTRACT: The title compound, [Ni(C(23)H(20)Cl(4)N(2)O(2))], has an Ni(II) ion in a square-planar coordination formed by two imine N and two phenolato O atoms.

SUBMITTER: Ni F

PROVIDER: S-EPMC2961846 | biostudies-literature | 2008 Jun

REPOSITORIES: biostudies-literature

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{4,4',6,6'-Tetra-chloro-2,2'-[(spiro-[4.4]nonane-1,6-di-yl)bis-(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}nickel(II).

Ni Fan F Wu Zhi-Qing ZQ Liang Lei L Zhou Xiang-Ge XG

Acta crystallographica. Section E, Structure reports online 20080613 Pt 7

The title compound, [Ni(C(23)H(20)Cl(4)N(2)O(2))], has an Ni(II) ion in a square-planar coordination formed by two imine N and two phenolato O atoms. ...[more]

PMID: 21202767

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Chlorido{4,4',6,6'-tetra-tert-butyl-2,2'-[o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}manganese(III).

Project description:The asymmetric unit of the title Schiff base complex, [Mn(C(36)H(46)N(2)O(2))Cl], comprises two crystallographically independent mol-ecules. The Mn(III) centre in each mol-ecule adopts a distorted square-pyramidal geometry. Each Mn(III) ion is coordinated by the N(2)O(2) atoms of the tetra-dentate Schiff base ligand forming the basal plane and the coordinated chloride anion occupies the apical position. Four bifurcated intra-molecular C-H⋯O contacts stabilize the mol-ecular structure. In the crystal packing, mol-ecules are linked into dimers via inter-molecular C-H⋯Cl contacts and further stabilized by C-H⋯π inter-actions. The crystal studied was a non-merohedral twin, the refined ratio of the twin components being 0.441 (1):0.559 (1).

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{6,6'-Dibromo-4,4'-dichloro-2,2'-[o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}nickel(II).

Project description:In the title complex, [Ni(C(20)H(10)Br(2)Cl(2)N(2)O(2))], the Ni(II) ion is coordinated by two phen-oxy O atoms and two imino N atoms of the tetradentate ligand, forming a slightly distorted square-planar environment. The mol-ecule is essentially planar, with an r.m.s. deviation of 0.088 Å for the mean plane defined by all non-H atoms in the mol-ecule.

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(Dimethyl-formamide-κO){4,4',6,6'-tetra-bromo-2,2'-[o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}copper(II) dimethyl-formamide solvate.

Project description:In the title compound, [Cu(C(20)H(10)Br(4)N(2)O(2))(C(3)H(7)NO)]·C(3)H(7)NO, the Cu(II) ion is coordinated by two N atoms and two O atoms from a tetra-dentate Schiff base ligand and the O atom of one dimethyl-formamide ligand in an almost square-pyramidal geometry. The uncoordinated dimethyl-formamide solvent mol-ecule is disordered over two sets of positions with occupancies of 0.741 (4) and 0.259 (4). The crystal packing is stabilized by C-H⋯O inter-actions.

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Aqua-{4,4'-dibromo-6,6'-dimeth-oxy-2,2'-[ethane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato}copper(II).

Project description:The title complex, [Cu(C(18)H(16)Br(2)N(2)O(4))(H(2)O)], lies on a crystallographic mirror plane with the Cu(II) ion coordinated by two N atoms and two O atoms of a tetra-dentate Schiff base ligand and one O atom from a water ligand in a slightly distorted square-pyramidal environment. The mirror plane, which coincides with the Cu-O(water) bond, imposes disorder of the atoms of the ethyl-ene group. In the crystal structure, inter-molecular O-H⋯O hydrogen bonds link complex mol-ecules into extended chains along [100].

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(Acetone-κO){6,6'-di-tert-butyl-2,2'-[1,2-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}zinc(II).

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Chlorido{4,4'-dichloro-2,2'-[1,2-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}(methanol-κO)manganese(III).

Project description:In the title complex, [Mn(C(20)H(12)Cl(2)N(2)O(2))Cl(CH(3)OH)], the Mn(III) atom is in an octa-hedral coordination geometry with the N(2)O(2) atoms of the doubly-deprotonated Schiff base forming a square around it. The chloride ion and the O atom of the methanol mol-ecule occupy the other two positions of the octa-hedron. The dihedral angle between the two outer phenolate rings of the tetra-dentate ligand is 20.27 (12)°. The central phenyl-ene ring makes dihedral angles of 18.62 (12) and 6.02 (12)° with the two outer phenolate rings. Hydrogen bonds of the O-H⋯Cl type link the mol-ecules into an infinite chain along [010]. These chains are arranged into sheets parallel to the ab plane and these sheets are connected by weak C-H⋯Cl inter-actions into a three-dimensional network. The crystal structure is further stabilized by C-H⋯π inter-actions.

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Project description:The asymmetric unit of the title complex, [Mn(C(28)H(30)N(2)O(2))Cl(H(2)O)][Mn(C(28)H(30)N(2)O(2))Cl(CH(3)OH)], contains two discrete Mn(III) complexes of a Schiff base ligand, with an N(2)O(2) donor set. Both Mn(III) centers are in a distorted octa-hedral geometry with the N(2)O(2) donor atoms of the tetra-dentate Schiff base dianion in the equatorial plane. The axial positions in the coordination environment of one Mn(III) complex are occupied by a chloride ion and a water mol-ecule, but a methanol mol-ecule replaces the water mol-ecule in the other complex. The coordinated water mol-ecule takes part in an O-H⋯Cl hydrogen bond between the two Mn(III) complexes. In the crystal structure, O-H⋯Cl hydrogen bonds link the mol-ecules into infinite one-dimensional chains along the [100] direction. The crystal structure is stabilized by O-H⋯Cl hydrogen bonds together with weak C-H⋯O and C-H⋯Cl inter-actions. A C-H⋯π inter-action is also observed in the crystal structure.

| S-EPMC2961111 | biostudies-literature

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Project description:In the title complex, [Fe(C(22)H(24)N(2)O(4))]·H(2)O, the Fe(II) center is four-coordinated by two O and two N atoms from 2,2'-[6,6'-dimethoxy-cyclo-hexane-1,2-diylbis(nitrilo-methyl-idyne)]diphen-olate (L) ligands in a distorted square-planar geometry. Uncoordinated water and FeL mol-ecules are paired via inter-molecular water-meth-oxy O-H⋯O hydrogen bonds.

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{2,2'-[6,6'-Dimethoxy-cyclo-hexane-1,2-diylbis(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O}cobalt(II) monohydrate.

Project description:In the title complex, [Co(C(22)H(24)N(2)O(4))]·H(2)O, the Co(II) atom is in an almost square-planar coordination environment involv-ing two O and two N atoms from the Schiff base ligand. A water mol-ecule cocrystallizes with the coordination compound and may be held in the crystal by O-H⋯O hydrogen bonds. Heteroatomic π-π ring inter-actions may be present between symmetry-related complexes, with centroid-centroid distances of 3.5661 (8) Å.

| S-EPMC2969264 | biostudies-literature

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