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[Cu2(μ-(3,4,5-meo-ba)2bn)(μ-I)2] n , a new 1D polymeric copper(I) chain

Abstract : New 1D-chain copper(I) complex [Cu2(μ-(3,4,5-MeO-ba)2bn)(μ-I)2]n (1), where (3,4,5-MeO-ba)2bn = N,N′-bis(3,4-dimethoxybenzylidene)-butane-1,4-diamine, involving a new bidentate Schiff-base containing a flexible spacer (=N–C–C–C–C–N=) has been synthesized and characterized by elemental analyses (CHN) and FT-IR spectroscopy. The crystal structure of 1 was determined from single-crystal X-ray diffraction analyses and shows the (3,4,5-MeO-ba)2en acts as a bridging ligand with the nitrogen atoms of the two imine functions and leading to the dinuclear [Cu2((μ-(3,4,5-MeO-ba)2en)] groups. Such dinuclear [Cu2((μ-(3,4,5-MeO-ba)2en)] groups are bridged by two iodine anions [(μ-I)2] to form a neutral 1D-chain copper(I) iodide coordination polymer. The coordination polyhedron about the copper(I) center in 1 is best described as a distorted trigonal planar. Thermogravimetric analyses reveal the thermal stability and decomposition pattern of 1.
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Submitted on : Friday, August 25, 2017 - 9:48:20 AM
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Aliakbar Dehno Khalaji, Smail Triki, Debasis Das. [Cu2(μ-(3,4,5-meo-ba)2bn)(μ-I)2] n , a new 1D polymeric copper(I) chain. Journal of Thermal Analysis and Calorimetry, Springer Verlag, 2011, 103 (3), pp.779 - 783. ⟨10.1007/s10973-010-1102-4⟩. ⟨hal-01577219⟩



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