Copper(II) complex with salicylaldehyde <Emphasis Type="Italic">N</Emphasis>-(2-salicylideneiminoglutaryl)hydrazone: Synthesis and structure |
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| Authors: | A N Gusev E A Zamnius V F Shul’gin O V Konnik I L Eremenko G G Aleksandrov V V Minin |
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| Institution: | 1.Taurida National Vernadsky University,Simferopol,Ukraine;2.Research and Production Center for Standardization, Metrology, and Certification,Sevastopol,Ukraine;3.Kurnakov Institute of General and Inorganic Chemistry,Russian Academy of Sciences,Moscow,Russia |
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| Abstract: | A copper(II) complex with salicylaldehyde N-(2-salicylideneiminoglutaryl)hydrazone (H4L) of the formula Cu2L · 2Py]2 · 8H2O (I) was obtained and characterized by X-ray diffraction. The crystals are monoclinic, space group P21, a = 13.0663 Å, b = 16.5553 Å, c = 17.7650 Å, β = 97.9420°; Z = 4. The complex is tetranuclear with a “dimer-of-dimers” structure in which the copper cations of two binuclear subunits are linked by phenoxy bridges. The EPR spectra of solutions of complex I show a superposition of two signals of four HFS lines (g 1 = 2.111, a 1 = 56.8 × 10?4 cm?1 and g 2 = 2.183, a 2 = 71.0 × 10?4 cm?1). |
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