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

ABSTRACT: In the title complex, [Mn(C(22)H(18)N(2)O(2))Cl], the Mn(III) center is in a distorted square-pyramidal configuration; the basal plane is formed by the N(2)O(2) donors of the tetra-dentate Schiff base dianion, with the two phenol O atoms and two imine N atoms each mutually cis. The chloride ion occupies the apical coordination site. The dihedral angle between the two outer phenolate rings of the tetra-dentate ligand is 18.24 (9)°. The central benzene ring makes dihedral angles of 13.71 (8) and 30.50 (8)° with the two outer phenolate rings. In the crystal structure, weak C-H⋯Cl inter-actions link the mol-ecules into screw helices along the b direction. These helices are further connected by weak C-H⋯O inter-actions into a three-dimensional network. The crystal structure is further stabilized by C-H⋯π inter-actions involving the central benzene ring.

SUBMITTER: Eltayeb NE

PROVIDER: S-EPMC2960927 | biostudies-literature |

REPOSITORIES: biostudies-literature

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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

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.

| S-EPMC2915075 | biostudies-literature

The cocrystal aqua-chlorido{6,6'-di-tert-butyl-2,2'-[1,2-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}-manganese(III)-chlorido{6,6'-di-tert-butyl-2,2'-[1,2-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}(methanol-κO)manganese(III) (1/1).

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

Chlorido{6,6'-dimethyl-2,2'-[1,2-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}manganese(III) mono-hydrate.

Project description:In the title complex, [Mn(C(22)H(18)N(2)O(2))Cl]·H(2)O, the Mn(III) center is in a distorted square-pyramidal configuration, with the N(2)O(2) dianionic tetra-dentate Schiff base ligand in the basal plane and the chloride ion in the apical position. The dihedral angle between the two outer phenolate rings of the tetra-dentate ligand is 8.25 (8)°. The central benzene ring makes dihedral angles of 4.31 (8) and 7.37 (8)° with the two outer phenolate rings. The water mol-ecule links to the complex via an O-H⋯Cl hydrogen bond. In addition, in the crystal structure, weak C-H⋯O inter-actions link the mol-ecules into infinite one-dimensional chains along [010]. The crystal is further stabilized by O-H⋯O and O-H⋯Cl hydrogen bonds, together with weak C-H⋯π inter-actions.

| S-EPMC2960973 | 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

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

Project description:The mol-ecule of the title compound, [Zn(C(28)H(30)N(2)O(2))(CH(3)COCH(3))], lies across a mirror plane with the Zn(II) ion and the acetone mol-ecule on the mirror plane. The Zn(II) ion is in a five-coordinate distorted square-pyramidal N(2)O(3) environment, with the two imine N and two phenolic O atoms of the tetra-dentate Schiff base dianion in the basal plane and the acetone mol-ecule in the apical position. The central benzene ring makes a dihedral angle of 16.5 (2)° with the two outer phenolate rings. In the crystal structure, the mol-ecules are arranged into anti-parallel columns along the a axis.

| S-EPMC2961135 | 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.

| S-EPMC2960688 | biostudies-literature

{2,2'-[Ethyl-enebis(nitrilo-methyl-idyne)]diphenolato-κO,N,N',O'}oxido-vanadium(IV).

Project description:The title compound, [V(C(16)H(14)N(2)O(2))O], was synthesized by the reaction of vanadyl(IV) sulfate and N,N'-bis-(salicyl-idene)ethyl-enediamine under hydro-thermal conditions. The asymmetric unit contains two mol-ecules. Each V(IV) atom is coordinated in a square-pyramidal geometry by two N atoms and two O atoms from a ligand in the basal plane and by an oxide O atom in the apical position. Weak C-H⋯O hydrogen bonds lead to a three-dimensional supra-molecular structure.

| S-EPMC2961374 | biostudies-literature

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

Project description: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.

| S-EPMC2980178 | biostudies-literature

{5,5'-Dimeth-oxy-2,2'-[4,5-dimethyl-o-phenyl-enebis(nitrilo-methyl-idyne)]diphenolato}nickel(II).

Project description:In the title Schiff base complex, [Ni(C(24)H(22)N(2)O(4))], the Ni(II) atom shows a square-planar geometry. The dihedral angles between the central benzene ring and the two outer rings are 4.79?(15) and 7.54?(15)°. In the crystal, mol-ecules are connected through inter-molecular C-H?O hydrogen bond, resulting in chains extending along the c axis. The crystal structure is further stabilized by inter-molecular ?-? inter-actions, with centroid-centroid distances in the range 3.3760?(15)-3.7196?(17)?Å.

| S-EPMC3050280 | biostudies-literature

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