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

ABSTRACT: 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)°.

SUBMITTER: Wang CY

PROVIDER: S-EPMC3246962 | biostudies-literature |

REPOSITORIES: biostudies-literature

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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.

| S-EPMC3246927 | biostudies-literature

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

Project description: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].

| S-EPMC3100050 | biostudies-literature

(Ethano-lato-κO)[N'-(3-meth-oxy-2-oxidobenzyl-idene-κO(2))benzo-hydrazidato-κ(2)N',O]oxidovanadium(V).

Project description:In the title complex, [V(C(15)H(12)N(2)O(4))(C(2)H(5)O)O], the V(V) ion is coordinated by an oxide O atom, an ethano-late anion and two O atoms and one N atom from the tridentate benzo-hydrazidate dianion in a distorted square-pyramidal geometry; the V atom is displaced by 0.4748 (8) Å from the basal plane towards the axial oxide O atom. An intra-molecular O-H⋯N hydrogen bond occurs in the benzohydrazidate ligand. Weak inter-molecular C-H⋯O hydrogen bonding is present in the crystal.

| S-EPMC3414151 | biostudies-literature

{4-Dimethyl-amino-N'-[1-(2-oxidophen-yl)ethyl-idene]benzohydrazidato}(methano-lato)oxidovanadium(V).

Project description:The title oxidovanadium(V) complex, [V(C(17)H(17)N(3)O(2))(CH(3)O)O], was obtained by the reaction of 2-acetyl-phenol, 4-dimethyl-amino-benzohydrazide and vanadyl sulfate in methanol. The V(V) atom is five-coordinated by N,O,O'-donor atoms of the Schiff base ligand, one meth-oxy O atom and one oxide O atom, forming a square-pyramidal geometry.

| S-EPMC3238735 | biostudies-literature

(Methanol-κO)(methano-lato-κO)oxido[N-(2-oxidobenzyl-idene)phenyl-alaninato-κO,N,O']vanadium(V).

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).

| S-EPMC3051455 | biostudies-literature

(2,2'-Bipyridine-κN,N'){[(3-meth-oxy-2-oxidobenzyl-idene-κO)hydrazono]methano-lato-κN,O}dimethyl-tin(IV).

Project description:In the crystal structure of the title compound, [Sn(CH(3))(2)(C(9)H(8)N(2)O(3))(C(10)H(8)N(2))], the Sn atom exhibits a penta-gonal bipyramidal coordination geometry defined by two C, three N and two O atoms. The bond distances for Sn-C, Sn-N and Sn-O are in the ranges 2.097 (3)-2.098 (3), 2.298 (2)-2.623 (2) and 2.157 (2)-2.266 (2) Å, respectively. The mol-ecular structure of the monomeric compound is stabilized by three intra-molecular C-H⋯O hydrogen bonds, all involving bipyridine C-H groups.

| S-EPMC2961040 | biostudies-literature

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.

| S-EPMC2983900 | biostudies-other

[N'-(3-Eth-oxy-2-oxidobenzyl-idene)-4-hy-droxy-3-meth-oxy-benzohydrazidato](methanol)dioxidomolybdenum(VI).

Project description:In the title dioxidomolybdenum(VI) complex, [Mo(C(17)H(16)N(2)O(5))O(2)(CH(3)OH)], the Mo(VI) atom is coordinated by the phenolate O, imine N and enolic O atoms of the tridentate hydrazone ligand, one methanol O atom, and two oxide O atoms, forming a distorted octa-hedral coordination geometry. The oxide O atoms adopt a cis conformation: one is trans to the methanol O atom and the other is trans to the ligand N atom. The dihedral angle between the two benzene rings in the hydrazone ligand is 4.0?(3)°. In the crystal, mol-ecules are linked by O-H?N and O-H?O hydrogen bonds.

| S-EPMC3343783 | biostudies-literature

{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.

| S-EPMC3274936 | biostudies-literature

[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.

| S-EPMC3099792 | biostudies-literature

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