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Structural Diversity of Heterometallic Oxalate-Bridged Coordination Polymers Obtained Using the Same Building Block [Fe(C2O4)3]3- (CROSBI ID 660752)

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Kanižaj, Lidija ; Molčanov, Krešimir ; Jurić, Marijana Structural Diversity of Heterometallic Oxalate-Bridged Coordination Polymers Obtained Using the Same Building Block [Fe(C2O4)3]3- // Chemistry Conference for Young Scientists (ChemCYS 2018) : Book of abstracts. 2018. str. 123-123

Podaci o odgovornosti

Kanižaj, Lidija ; Molčanov, Krešimir ; Jurić, Marijana

engleski

Structural Diversity of Heterometallic Oxalate-Bridged Coordination Polymers Obtained Using the Same Building Block [Fe(C2O4)3]3-

Polynuclear compounds have been widely studied for their ability to form different architectures and topologies, and due to their applications in different areas of advanced materials. Mostly, oxalate-containing complexes have been prepared and investigated as potential molecular-based magnets, because oxalate moiety, C2O42−, is a very good linker and magnetic-communication bridge between (paramagnetic) metal ions, with various possibilities of bridging modes. Stable mononuclear anionic oxalate complexes as tris(oxalato)metallate anions, [MIII(C2O4)3]3− (MIII = Mn, Cr, Fe, V), are often used as ligands toward another metal ion for the preparation of new heterometallic coordination polymers of one- (1D), two- (2D), and three-dimensional (3D) assemblies, featuring a range of distinct magnetic properties. As a continuation of our magneto-structural studies concerning the polynuclear transition-metal complexes, three new heterometallic oxalate-bridged coordination polymers have been prepared using A3[Fe(C2O4)3]·3H2O (A = K+, NH4+) as building blocks, and characterized by IR spectroscopy and single-crystal X-ray diffraction. Applying the layering technique in the dark, the green rod-like crystals of compounds {; ; ; ; ; [AFeIIICu2(C2O4)4(bpy)2]·H2O}; ; ; ; ; n [A = K+ (1) and NH4+ (2)] were grown from the reaction of an aqueous solution of A3[Fe(C2O4)3]·3H2O and methanol solution of CuCl2·H2O and 2, 2'-bipyridine (bpy), in the molar ratio of 1 : 1 : 1. Isostructural compounds 1 and 2 contain oxalate-bridged [Cu(bpy)(μ-C2O4)Cu(bpy)]2+ units mutually connected through oxalate groups from [Fe(C2O4)3]3–, forming ladder-like 1D chains. When the same synthesis were exposed to light, the red rod-like crystals of compound {; ; ; ; ; [Cu(bpy)3][FeII2(C2O4)3]·H2O]}; ; ; ; ; n (3), containing a 3D anionic network [FeII2(C2O4)3]n2n− and tris-chelated cations {; ; ; ; ; [Cu(bpy)3]2+ occupying the vacancies, were formed.

Heterometallic ; Oxalate-Bridged ; Single-Crystal X-Ray Diffraction

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Podaci o prilogu

123-123.

2018.

objavljeno

Podaci o matičnoj publikaciji

Chemistry Conference for Young Scientists (ChemCYS 2018) : Book of abstracts

Podaci o skupu

Chemistry Conference for Young Scientists (ChemCYS 2018)

predavanje

21.02.2018-23.02.2018

Blankenberge, Belgija

Povezanost rada

Kemija