Bis[μ-N′-(5-bromo-3-methoxy-2-oxidobenzylidene)-2-hydroxybenzohydrazidato]bis[(N,N-dimethylformamide)copper(II)]
نویسندگان
چکیده
The title compound, [Cu(2)(C(15)H(11)BrN(2)O(4))(2)(C(3)H(7)NO)(2)], is derived from the reaction of N'-(5-bromo-2-hy-droxy-3-meth-oxy-benzyl-idene)-2-hy-droxy-benzohydrazide and copper nitrate in a dimethyl-formamide solution in the presence of sodium hydroxide. The compound can be regarded as a binuclear centrosymmetric complex. In the crystal, the Cu(II) atom is fivefold surrounded and adopts a distorted square-pyramidal coordination environment. An intra-molecular O-H⋯N hydrogen bond stabilizes the mol-ecular conformation.
منابع مشابه
Bis[μ-4-hydroxy-N′-(4-methoxy-2-oxidobenzylidene)benzohydrazidato]bis[pyridinecopper(II)]
In the title compound, [Cu(2)(C(15)H(12)N(2)O(4))(2)(C(6)H(5)N)(2)], each Cu(II) atom is chelated by the tridentate doubly deprotonated Schiff base and a pyridine mol-ecule in a nearly planar environment (r.m.s. deviation for all non-H atoms = 0.107 Å). The metal ions are bridged by one O atom from the symmetry-related Schiff base ligands, forming a centrosymmetric dinuclear copper(II) complex....
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In the title centrosymmetric dinuclear complex, [Nd(2)(C(27)H(24)Br(3)N(4)O(3))(2)]·6C(3)H(7)NO, the Nd(III) ion is coordinated in a slightly distorted square-anti-prismatic geometry by four N atoms and four O atoms from two centrosymmetrically-related 1,3-bis-[2-(5-bromo-2-oxidobenzyl-amino)eth-yl]-2-(5-bromo-2-oxidophen-yl)-1,3-imidazolidine ligands. The Nd⋯Nd separation is 4.5012 (12) Å.
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In the dinuclear centrosymmetric title complex, [Hg(2)Br(4)(C(17)H(13)N(5)O(2))(2)]·2C(3)H(7)NO, the Hg(II) atom is coordinated by two Br atoms and two N atoms from two different ligands in a distorted tetra-hedral geometry. The solvent mol-ecule is linked to the 28-atom ring by two hydrogen bonds.
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In the title compound, [Cu(2)(C(8)H(4)BrO(4))(4)(C(16)H(20)N(4))(H(2)O)(2)], slightly distorted square-planar-coordinated Cu(II) ions are bound by one aqua ligand and two monodentate 3-bromo-5-carb-oxy-benzoate anions, and linked into a centrosymmetric dinuclear mol-ecule by a bridging 1,4-bis-(pyridin-4-ylmeth-yl)piperazine (4-bpmp) ligand. In the crystal, mol-ecules are connected into a supra...
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