{4-Dimethylamino-N′-[1-(2-oxidophenyl)ethylidene]benzohydrazidato}(methanolato)oxidovanadium(V)
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چکیده
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.
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{4-Bromo-2-[(5-chloro-2-oxidophenyl)iminomethyl]phenolato-κ3 O,N,O′}(methanol-κO)(methanolato-κO)oxidovanadium(V)
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-...
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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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The dinuclear compound, [V(2)(C(12)H(11)BrN(2)O(2))(2)(CH(3)O)(2)O(2)], lies on a center of inversion. The doubly-deprotonated Schiff base O,N,O'-chelates to the V(V) atom; two metal atoms are bridged by the methoxide units. The coordination geometry is a distorted octa-hedron. Weak inter-molecular C-H⋯N hydrogen bonding is present in the crystal structure. The bromo-phenyl unit is disordered o...
متن کاملMethoxo[N′-(3-methoxy-2-oxidobenzylidene)benzohydrazidato]oxidovanadium(V)
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. Int...
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