Structural and magnetic properties of a syn-anti carboxylate bridged one-dimensional copper(II) complex with ferromagnetic exchange interaction |
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| Authors: | Sutapa Sen Manas K Saha Tarakranjan Gupta Aswini K Karmakar Parimal Kundu Samiran Mitra Michael B Hursthouse K M Abdul Malik |
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| Institution: | (1) Department of Chemistry, Jadavpur University, Calcutta -, 700 032, India;(2) Department of Physics, Jadavpur University, Calcutta, 700 032, India;(3) Department of Chemistry, Ramananda College, Bishnupur, Bankura, India;(4) Department of Chemistry, University of Wales Cardiff, P.O. Box 912, Park Place, Cardiff, CF1 3TB, UK |
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| Abstract: | The compound Cu(phen)(O2CCF3)2]n (phen = 1,10-phenanthroline) has been synthesized and its crystal structure determined. It crystallizes in monoclinic space group C2/c, with a = 19.229(7), b = 11.281(5), c = 7.621(2) Å,  = 104.305(12)°, and Z = 4. The crystal structure is polymeric, being built from infinite zigzag chains of trifluoroacetate bridged copper(II), with the phenanthroline ligands being stacked between the chains. The variable-temperature (13–300 K) magnetic susceptibility and ESR data are reported and a weak ferromagnetic exchange interaction is observed with the exchange parameter estimated as J = 2.9 cm–1. |
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| Keywords: | Copper 1 10-phenanthroline trifluoroacetate crystal structure magnetic exchange |
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