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

Autori
Kanižaj, Lidija ; Molčanov, Krešimir ; Jurić, Marijana

Vrsta, podvrsta i kategorija rada
Sažeci sa skupova, sažetak, znanstveni

Izvornik
Chemistry Conference for Young Scientists (ChemCYS 2018) : Book of abstracts / - , 2018, 123-123

Skup
Chemistry Conference for Young Scientists (ChemCYS 2018)

Mjesto i datum
Blankenberge, Belgija, 21.02.2018. - 23.02.2018

Vrsta sudjelovanja
Predavanje

Vrsta recenzije
Međunarodna recenzija

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

Sažetak
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.

Izvorni jezik
Engleski

Znanstvena područja
Kemija

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