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[N'-(3,5-Diiodo-2-oxidobenzyl-idene-?O)-4-methyl-benzohydrazidato-?N',O](methanol-?O)(methano-lato-?O)oxidovanadium(V).

ABSTRACT: In the title mol-ecule, [V(C(15)H(10)I(2)N(2)O(2))(CH(3)O)O(CH(3)OH)], the V(V) atom is coordinated by one N and two O atoms from an N'-(3,5-diiodo-2-oxidobenzyl-idene-?O)-4-methyl-benzo-hydra-zidate (L) ligand, one oxide O atom, one methano-late [V-O = 1.761?(3)?Å] and one methanol [V-O = 2.383?(4)?Å] O atom in a distorted octa-hedral geometry. In the L ligand, the two benzene rings are nearly parallel, forming a dihedral angle of 2.0?(1)°. In the crystal, inter-molecular O-H?N hydrogen bonds link pairs of mol-ecules into centrosymmetric dimers which exhibit ?-? inter-actions between the aromatic rings [centroid-centroid distance = 3.677?(5)?Å].

SUBMITTER: Liu L

PROVIDER: S-EPMC3100050 | biostudies-literature | 2011 Apr

REPOSITORIES: biostudies-literature

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[N'-(3,5-Diiodo-2-oxidobenzyl-idene-κO)-4-methyl-benzohydrazidato-κN',O](methanol-κO)(methano-lato-κO)oxidovanadium(V).

Liu Lin L

Acta crystallographica. Section E, Structure reports online 20110326 Pt 4

In the title mol-ecule, [V(C(15)H(10)I(2)N(2)O(2))(CH(3)O)O(CH(3)OH)], the V(V) atom is coordinated by one N and two O atoms from an N'-(3,5-diiodo-2-oxidobenzyl-idene-κO)-4-methyl-benzo-hydra-zidate (L) ligand, one oxide O atom, one methano-late [V-O = 1.761 (3) Å] and one methanol [V-O = 2.383 (4) Å] O atom in a distorted octa-hedral geometry. In the L ligand, the two benzene rings are nearly parallel, forming a dihedral angle of 2.0 (1)°. In the crystal, inter-molecular O-H⋯N hydrogen bonds l ...[more]

PMID: 21753994

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[N'-(3-Eth-oxy-2-oxidobenzyl-idene-κO)-4-methyl-benzohydrazidato-κO,N'](methano-lato-κO)oxidovanadium(V).

Project description:The title oxidovanadium(V) complex, [V(C(17)H(16)N(2)O(3))(CH(3)O)O], was obtained by the reaction of 3-eth-oxy-2-hy-droxy-benzaldehyde, 4-methyl-benzohydrazide and vanadyl sulfate in methanol. The V(V) atom is coordinated by the O,N,O'-tridentate Schiff base ligand, one methano-late O atom and one oxide O atom, forming a distorted VO(4)N square-pyramidal coordination geometry. The oxide O atom lies at the apex of the square pyramid and the N atom of the ligand and the methano-late O atom are trans. The dihedral angle between the benzene rings of the ligand is 1.8 (3)°.

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[N'-(5-Bromo-2-oxidobenzyl-idene-?O)-2-chloro-benzohydrazidato-?N',O](methanol-?O)(methano-lato-?O)oxido-vanadium(V).

Project description:The V(V) atom in the title complex, [V(C(14)H(8)BrClN(2)O(2))(CH(3)O)O(CH(3)OH)], is six-coordinated by one phenolate O, one imine N and one enolic O atom of the hydrazone ligand, one oxide O atom, one methanol O atom and one methoxide O atom in a distorted octa-hedral geometry. The dihedral angle between the two benzene rings of the hydrazone ligand is 13.2?(3)°. The deviation of the V atom towards the oxide O atom from the plane defined by the three donor atoms of the hydrazone ligand and the meth-oxy O atom is 0.318?(2)?Å. Bond lengths are comparable with those observed in similar oxidovanadium(V) complexes with hydrazone ligands. In the crystal, pairs of mol-ecules are linked through inter-molecular O-H?N hydrogen bonds, forming dimers.

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(Methano-lato-κO)[N'-(3-meth-oxy-2-oxidobenzyl-idene-κO)-4-nitro-benzo-hydrazidato-κN',O]oxidovanadium(V).

Project description:The title oxidovanadium(V) complex, [V(C(15)H(11)N(3)O(5))(CH(3)O)O], was obtained by the reaction of 2-hy-droxy-3-meth-oxy-benzaldehyde, 4-nitro-benzohydrazide and vanadyl sulfate in methanol. The V(V) atom is five-coordinated by the two O and one N donor atoms of the Schiff base ligand, one methano-late O atom and one oxido O atom, forming a distorted square-pyramidal geometry.

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Project description:In the title complex, [V(C(16)H(13)NO(3))(CH(3)O)O(CH(3)OH)], the V(V) atom is six-coordinated by a tridentate ligand derived from the condensation of salicyl-aldehyde and l-phenyl-alanine, a vanadyl O atom, a methano-late O atom and a methanol O atom, forming a distorted octa-hedral coordination geometry. In the crystal, inter-molecular O-H?O and C-H?O hydrogen bonds result in a two-dimensional structure parallel to (001).

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Methoxo[N'-(3-meth-oxy-2-oxidobenzyl-idene)benzohydrazidato]oxidovanadium(V).

Project description:In the title complex, [V(C(15)H(12)N(2)O(4))(CH(3)O)O], the V(V) ion exhibits a distorted square-pyramidal coordination geometry; three donor atoms from a hydrazone ligand and one O atom of the deprotonated methanol define the coordination basal plane. The V(V) ion is displaced by 0.464?(1)?Å from the basal plane towards the axial oxide O atom. Intra-molecular O-H?N hydrogen bonding occurs. Inter-molecular C-H?O hydrogen bonding is also observed in the crystal structure.

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(Methanol-?O)(methano-lato-?O)oxido[N-(2-oxidobenzyl-idene)isoleucinato-?(3)O,N,O']vanadium(V).

Project description:In the title complex, [V(C(13)H(15)NO(3))O(CH(3)O)(CH(3)OH)], the V(V) atom is six-coordinated by a tridentate O,N,O'-donor ligand, derived from the condensation of salicyl-aldehyde and l-isoleucine, a vanadyl O atom, a methano-late O atom and a methanol O atom in a distorted octa-hedral geometry. The asymmetric unit contains two complex mol-ecules. In the crystal, inter-molecular O-H?O and C-H?O hydrogen bonds connect the mol-ecules into a one-dimensional chain along [100].

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{4-Bromo-2-[(5-chloro-2-oxidophen-yl)imino-methyl]-phenolato-κO,N,O'}(methanol-κO)(methano-lato-κO)-oxidovanadium(V).

Project description:The title Schiff base complex, [V(C(13)H(7)BrClNO(2))(CH(3)O)O(CH(3)OH)], features a vanadyl group, a tridentate Schiff base ligand, and coordinated methanol and methano-late ligands. The NO(5) donor set is based on a distorted octa-hedron. Helical supra-molecular chains along [010] are found in the crystal structure mediated by O-H⋯O hydrogen bonds formed between the coordinating methanol mol-ecule and the phenolate O atom of the chloro-benzene residue.

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N'-(2-Hy-droxy-3,5-diiodo-benzyl-idene)-2-methyl-benzohydrazide.

Project description:The asymmetric unit of the title compound, C(15)H(12)I(2)N(2)O(2), contains two independent mol-ecules in which the dihedral angles between the two benzene rings are 62.4?(7) and 41.1?(7)°. Intra-molecular O-H?N hydrogen bonds generate S(6) ring motifs in each mol-ecule. In the crystal, mol-ecules are linked through inter-molecular N-H?O hydrogen bonds, forming chains along the a axis.

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(E)-N'-(2-Hydr-oxy-3,5-diiodo-benzyl-idene)-2-nitro-benzohydrazide methanol solvate.

Project description:In the title compound, C(14)H(9)I(2)N(3)O(4)·CH(3)OH, the Schiff base mol-ecule adopts an E geometry with respect to the C=N bond and the dihedral angle between the benzene rings is 45.0?(2)°; an intra-molecular O-H?N hydrogen bond is present. In the crystal, adjacent Schiff base mol-ecules are linked by methanol solvent mol-ecules through inter-molecular N-H?O and O-H?O hydrogen bonds, forming dimers.

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