Crystal and molecular structures of triaquabis(5-nitro-2-acetamidobenzoato)copper(II) dihydrate |
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| Authors: | A T Mamedova K A Lysenko V S Sergienko E M Movsumov |
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| Institution: | 1.Azerbaijan State Agrarian University,Gyandzha,Azerbaijan;2.Nesmeyanov Institute of Organoelement Compounds,Russian Academy of Sciences,Moscow,Russia;3.Kurnakov Institute of General and Inorganic Chemistry,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | A new copper(II) complex Cu(5-NO2-2-CH3CONHC6H3COO)2(H2O)3] · 2H2O was synthesized by the reaction of sodium 5-nitro-5-acetamidobenzoate with CuSO4 · 5H2O (2: 1), and its structure was determined by X-ray diffraction. Crystals are monoclinic: a = 11.7146(7) Å, b = 16.8463(10) Å, c = 13.2408(9) Å, β = 113.896(5)°, Z = 4, ρcalc = 1.668 g/cm3, space group P21/c, R = 0.0338. In the monomer complex, the copper atom has an elongated square-pyramidal coordination (4 + 1); the coordination sphere is formed by two oxygen atoms of the carboxylate groups of two monodentate organic ligands and the three oxygen atoms O(w) of the water molecules (the O(3w) atom is in the axial position). In the structure, the complex molecules are linked by hydrogen bonds involving two uncoordinated water molecules. |
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