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Bis{2,4-dibromo-6-[(E)-(4-fluoro-benz-yl)imino-meth-yl]phenolato-?(2)N,O}cobalt(II).

ABSTRACT: The complete mol-ecule of the title complex, [Co(C(14)H(9)Br(2)FNO)(2)], is generated by crystallographic twofold symmetry, with the Co(II) atom lying on the rotation axis. The coordination of the metal atom by the two N,O-bidentate ligands results in a squashed CoN(2)O(2) tetra-hedron. The six-membered chelate ring is an envelope, with the metal atom as the flap. The dihedral angle between the planes of the aromatic rings within each ligand is 84.1?(6)°.

SUBMITTER: Yu H

PROVIDER: S-EPMC3515158 | biostudies-literature | 2012 Nov

REPOSITORIES: biostudies-literature

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Bis{2,4-dibromo-6-[(E)-(4-fluoro-benz-yl)imino-meth-yl]phenolato-κ(2)N,O}cobalt(II).

Yu Hong H Chen Zhu-Jun ZJ Jin Yue-Bao YB Chang Yong-Kang YK Lei Ke-Wei KW

Acta crystallographica. Section E, Structure reports online 20121031 Pt 11

The complete mol-ecule of the title complex, [Co(C(14)H(9)Br(2)FNO)(2)], is generated by crystallographic twofold symmetry, with the Co(II) atom lying on the rotation axis. The coordination of the metal atom by the two N,O-bidentate ligands results in a squashed CoN(2)O(2) tetra-hedron. The six-membered chelate ring is an envelope, with the metal atom as the flap. The dihedral angle between the planes of the aromatic rings within each ligand is 84.1 (6)°. ...[more]

PMID: 23284385

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Bis{2,4-dibromo-6-[(E)-(4-fluoro-benz-yl)imino-meth-yl]phenolato-?(2)N,O}zinc.

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Project description:The asymmetric unit of the title compound, [Co(C(9)H(8)Cl(2)NO)(3)], contains three independent mol-ecules. In each mol-ecule, the Co(III) ion is coordinated by an O atom and an N atom from three bidentate 2,4-dichloro-6-(ethyl-imino-meth-yl)phenolate ligands in a slightly distorted octa-hedral environment. In the crystal, a weak C-H?Cl hydrogen bond is observed.

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Project description:In the title compound, [Co(C(9)H(8)Br(2)NO)(2)], the Co(II) atom, located on a twofold axis, is in a pseudo-tetra-hedral environment, with two bidentate 2,4-dibromo-6-(ethyl-imino-meth-yl)phenolate Schiff base ligands acting as chelates through their phenolate O and azomethine N atoms. C-H⋯O hydrogen bonds link the complex mol-ecules to form a chain parallel to the b axis.

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Bis[2,4-dibromo-6-(n-propyl-imino-methyl)phenolato-κN,O]cobalt(II).

Project description:In the title complex, [Co(C(10)H(10)Br(2)NO)(2)], the Co(II) atom lies on a twofold rotation axis, the N(2)O(2) units having distorted tetra-hedral coordination environments comprising two bidentate chelate 2,4-dibromo-6-(n-propyl-imino-meth-yl)phenolate Schiff base ligands [Co-N = 1.989 (3) Å, Co-O = 1.924 (2) Å and O/N-Co-O/N = 94.53 (10)-125.40 (15)°]. In the crystal structure, the mol-ecules are linked via weak inter-molecular C-H⋯O hydrogen bonds [3.334 (5) Å] and there are also short inversion-related intermolecular Br⋯Br contacts [3.4263 (6) Å].

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Crystal structure of bis-{2-[(E)-(4-fluoro-benz-yl)imino-meth-yl]phenolato-?(2) N,O}nickel(II).

Project description:The asymmetric unit of the title complex, [Ni(C14H11FNO)2], contains one-half of the mol-ecule with the Ni(II) cation lying on an inversion centre coordinated by a bidentate Schiff base anion. The cationic Ni(II) center is in a distorted square-planar coordination environment chelated by the imine N and phenolate O donor atoms of the two Schiff base ligands. The N and O donor atoms of the two ligands are mutually trans with Ni-N and Ni-O bond lengths of 1.9242?(10) and 1.8336?(9)?Å, respectively. The fluoro-phenyl ring is almost orthogonal to the coordination plane and makes a dihedral angle of 82.98?(7)° with the phenolate ring. In the crystal, mol-ecules are linked into screw chains by weak C-H?F hydrogen bonds. Additional C-H?? contacts arrange the mol-ecules into sheets parallel to the ac plane.

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2-[(E)-(4-Fluoro-benz-yl)imino-meth-yl]-6-meth-oxy-phenol.

Project description:In the title Schiff base, C(15)H(14)FNO(2), the dihedral angle between the benzene rings is 53.32?(8)°. In the crystal, mol-ecules related by a twofold rotation axis are linked by pairs of C-H?O hydrogen bonds into dimers with R(2) (2)(18) ring motifs. An intra-molecular O-H?N hydrogen bond is also observed.

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