Structure and magnetic properties of a trinuclear nickel(II) complex with benzenetricarboxylate bridge |
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| Authors: | Jerzy Mroziński Alina Bieńko Pavel Kopel Vratislav Langer |
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| Institution: | 1. Faculty of Chemistry, University of Wroclaw, 14 F. Joliot-Curie, 50 383 Wroclaw, Poland;2. AVX Czech Republic, Dvo?ákova 328, 563 01 Lan?kroun, Czech Republic;3. Environmental Inorganic Chemistry, Department of Chemical and Biological Engineering, Chalmers University of Technology, SE-412 96 Göteborg, Sweden |
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| Abstract: | Novel trinuclear Ni(II) complex Ni3(pmdien)3(btc)(H2O)3](ClO4)3 · 4H2O, 1 where pmdien = N,N,N′,N′,N″-pentamethyldiethylenetriamine, H3btc = 1,3,5-benzenetricarboxylic (trimesic) acid, has been prepared and structurally characterized. Three nickel atoms are bridged by btc trianion and their coordination sphere is completed by three N atoms of pmdien and O atom of the water molecule. The three nickel(II) magnetic centers are equivalent and their coordination spheres are completed to deformed octahedrons. Magnetic susceptibility was measured over the temperature range 1.8–300 K and zJ′ = ?0.19 cm?1, D = 3.79 cm?1, g = 2.18 parameters were calculated. |
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