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Crystal structure of bis-{2-[(E)-(4-meth-oxy-lbenz-yl)imino-meth-yl]phenolato-?(2) N,O (1)}nickel(II).

ABSTRACT: The asymmetric unit of the title compound, [Ni(C15H14NO2)2], comprises an Ni(II) cation, lying on an inversion centre, and a Schiff base anion that acts as a bidentate ligand. The Ni(II) cation is in a square-planar coordination environment binding to the imine N and phenolate O 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 1.9191?(11) and 1.8407?(9)?Å, respectively. The plane of the meth-oxy-benzene ring makes a dihedral angle of 84.92?(6)° with that of the phenolate ring. In the crystal, mol-ecules are linked into screw chains by weak C-H?O hydrogen bonds. Additional C-H?O hydrogen bonds, together with C-H?? contacts, arrange the mol-ecules into sheets parallel to the ac plane.

SUBMITTER: Bahron H

PROVIDER: S-EPMC4158500 | biostudies-literature | 2014 Aug

REPOSITORIES: biostudies-literature

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Crystal structure of bis-{2-[(E)-(4-meth-oxy-lbenz-yl)imino-meth-yl]phenolato-κ(2) N,O (1)}nickel(II).

Bahron Hadariah H Tajuddin Amalina Mohd AM Ibrahim Wan Nazihah Wan WN Fun Hoong-Kun HK Chantrapromma Suchada S

Acta crystallographica. Section E, Structure reports online 20140723 Pt 8

The asymmetric unit of the title compound, [Ni(C15H14NO2)2], comprises an Ni(II) cation, lying on an inversion centre, and a Schiff base anion that acts as a bidentate ligand. The Ni(II) cation is in a square-planar coordination environment binding to the imine N and phenolate O 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 1.9191 (11) and 1.8407 (9) Å, respectively. The plane of the meth-oxy-benzene ring ...[more]

PMID: 25249867

Similar Datasets

Crystal structure of bis-{μ-2-meth-oxy-6-[(methyl-imino)-meth-yl]phenolato}bis-({2-meth-oxy-6-[(methyl-imino)-meth-yl]phenolato}nickel(II)) involving different coordination modes of the same Schiff base ligand.

Project description:The structure of the title compound, [Ni2(C9H10NO2)4], is built up by discrete centrosymmetric dimers. Two nitro-gen and three oxygen atoms of two Schiff base ligands singly deprotonated at the phenolate site form a square-pyramidal environment for each metal atom. The ligands are bonded differently to the metal centre: one of the phenolic O atoms is bound to one nickel atom, whereas another bridges the two metal atoms to form the dimer. The Ni-N/O distances fall in the range 1.8965 (13)-1.9926 (15) Å, with the Ni-N bonds being slightly longer; the fifth contact of the metal to the bridging phenolate oxygen atom is substanti-ally elongated [2.533 (1) Å]. A similar coordination geometry was observed in the isomorphous Cu analogue previously reported by us [Sydoruk et al. (2013 ▸). Acta Cryst. E69, m551-m552]. In the crystal, the [Ni2 L 4] mol-ecules form sheets parallel to the ab plane with the polar meth-oxy groups protruding into the inter-sheet space and keeping the sheets apart. Within a sheet, the mol-ecules are stacked relative to each other in such a way that the Ni2O2 planes of neighbouring mol-ecules are orthogonal.

| S-EPMC6505594 | biostudies-literature

Bis{?-2-meth-oxy-6-[(methyl-imino)-meth-yl]phenolato}bis-({2-meth-oxy-6-[(methyl-imino)-meth-yl]phenolato}copper(II)).

Project description:The title compound, [Cu2(C9H10NO2)4], is built of discrete centrosymmetric dimers. The Cu(II) atoms are each five coordinated by two deprotonated Schiff base ligands that are bonded differently to the metal atoms. Of the two phenolate O atoms, one is coordinated to one Cu(II) atom, whereas another bridges the two metal atoms. The basal plane of the square pyramid around Cu(II) atoms is formed by the imino N and phenolate O atoms of the bidentate and the monodentate/bidentate Schiff base ligands. The bridging phenolate oxygen occupies the apical position of the coordination sphere with a considerably longer Cu-O bond length. In the crystal, the dimeric mol-ecules pack relative to each other in such a way that the Cu2O2 planes of adjacent dimers are orthogonal.

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Bis{2-meth-oxy-6-[3-(methyl-amino)propyl-imino-meth-yl]phenolato}nickel(II) bis-(perchlorate).

Project description:The asymmetric unit of the title compound, [Ni(C(12)H(18)N(2)O(2))(2)](ClO(4))(2), consists of one-half of a centrosymmetric mononuclear Schiff base nickel(II) complex cation and one perchlorate anion. The Ni(II) ion, lying on the inversion center, is coordinated by two N atoms and two O atoms from two Schiff base ligands, forming a square-planar geometry. The crystal packing is stabilized by N-H⋯O hydrogen bonds.

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Crystal structure of di-chlorido-bis-{μ-2-meth-oxy-6-[(methyl-imino)-meth-yl]phenolato}{2-meth-oxy-6-[(methyl-imino)-meth-yl]phenolato}cadmium(II)cobalt(III) monohydrate.

Project description:The title compound, [CoCd(C9H10NO2)3Cl2]·H2O, is a solvatomorph of the corresponding hemihydrate recently published by us [Nesterova et al. (2018 ▸). Appl. Cat. A, 560, 171-184]. The current structure reveals different cell parameters and space group compared with the published one while both are monoclinic with almost the same cell volume. The title compound is formed of discrete neutral dinuclear mol-ecules with no crystallographically imposed symmetry and water mol-ecules of crystallization. The overall geometry about the cobalt(III) ion is octa-hedral with an N3O3 environment; each ligand acts as a meridional ONO donor. The CdII coordination sphere approximates an irregular square pyramid with a chlorine atom at the apex. There is significant shortening of a Cd-O bond length to the oxygen atom of the methoxo group on one of the ligands [2.459 (3) Å] compared to the corresponding distance in the published structure [2.724 (7) Å], while other Cd-Cl/N/O bonds remain roughly the same. In the crystal lattice, the heterometallic mol-ecules, which are related by the crystallographic n-glide plane and inter-linked by weak hydrogen bonds to solvent water mol-ecules, form columns along [101]. Adjacent columns lie anti-parallel to each other.

| S-EPMC6218914 | biostudies-literature

Bis{2-[imino-(phen-yl)meth-yl]-5-meth-oxy-phenolato-?(2)N,O(1)}nickel(II).

Project description:The title complex, [Ni(C(14)H(12)NO(2))(2)], lies about an inversion center. The Ni(II) atom is coordinated in a slightly distorted square-planar geometry by two O atoms and two N atoms from two 2-[imino-(phen-yl)meth-yl]-5-meth-oxy-phenolate ligands. The dihedral angle between the symmetry-unique phenyl and benzene rings is 73.2?(1)°.

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Bis(μ-6-meth-oxy-2-{[(3-oxidoprop-yl)imino]-meth-yl}phenolato)nickel(II) methanol monosolvate.

Project description:The mol-ecular structure of the title complex, [Ni2(C11H13NO3)2]·CH3OH, contains two Ni(II) atoms and two doubly deprotonated 6-meth-oxy-2-{[(3-oxidoprop-yl)imino]-meth-yl}phenolate ligands. The Ni(II) atoms are each four-coordinated in a distorted square-planar geometry by three O atoms and one N atom derived from the phenolate ligands. The solvent mol-ecule is linked to the complex mol-ecule by two O-H⋯O hydrogen bonds.

| S-EPMC3772446 | biostudies-literature

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

Project description:In the title compound, [Ni(C(15)H(13)FNO(2))(2)], the Ni(II) atom is tetra-coordinated by two N atoms and two O atoms from two 2-[(4-fluoro-benz-yl)imino-meth-yl]-6-meth-oxy-phenolate ligands in a square-planar geometry. The two N atoms and two O atoms around the Ni(II) atom are trans to each other, as the Ni(II) atom lies on an inversion centre. In the fluoro-phenyl group, five C atoms and an F atom are disordered over two sets of positions of equal occupancy. In the crystal, the complex mol-ecules are linked via inter-molecular C-H?F hydrogen bonds, forming chains along [001].

| S-EPMC3212107 | biostudies-literature

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.

| S-EPMC4257226 | biostudies-literature

Bis[2-(3-cyano-phenyl-imino-meth-yl)phenolato]nickel(II).

Project description:In the title complex, [Ni(C(14)H(9)N(2)O)(2)], the Ni(II) atom lies on an inversion center and is coordinated by the O atom and an N atom of two Schiff base 2-(3-cyano-phenyl-imino-meth-yl)phenolate ligands in a square-planar geometry. The dihedral angle between the cyano-phenyl and phenolate rings is 47.62?(7)°.

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Bis[2-(cyclo-pentyl-imino-meth-yl)-5-meth-oxy-phenolato]copper(II).

Project description:The title compound, [Cu(C(13)H(16)NO(2))(2)], is a mononuclear copper(II) complex derived from the Schiff base ligand 2-(cyclo-pentyl-imino-meth-yl)-5-meth-oxy-phenol and copper acetate. The Cu(II) atom is four-coordinated by the phenolate O atoms and imine N atoms from two Schiff base ligands, in a highly distorted square-planar geometry. The O- and N-donor atoms are mutually trans and the dihedral angle between the two benzene rings is 55.8?(3)°.

| S-EPMC3007536 | biostudies-literature

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