Copper oxalate complexes: synthesis and structural characterisation |
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| Authors: | Kristína Matelková Lenka Kucková Anna Mašlejová Ján Moncoľ Vladimír Jorík Jozef Kožíšek |
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| Institution: | 1.Institute of Inorganic Chemistry,Slovak University of Technology in Bratislava,Bratislava,Slovakia;2.Institute of Physical Chemistry and Chemical Physics, Faculty of Chemical and Food Technology,Slovak University of Technology in Bratislava,Bratislava,Slovakia |
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| Abstract: | Six copper(II) oxalate complexes, namely {K2Cu(ox)2]} n (1), {(Hiz)2Cu(ox)2]} n (2), {Cu(ox) (N-Bzliz)2]} n (3), (HMeiz)2Cu(ox)2] (4), {Cu(ox)(Meiz)2]} n (5), and Cu(Hox)2(H2O)2](N-Bzliz) (6) where ox = oxalate ion, iz = imidazole, N-Bzliz = N-benzylimidazole, Meiz = 2-methylimidazole, were synthesised and characterised by single crystal X-ray diffraction (complexes 1–5) or powder X-ray diffraction (compound 6). The three-dimensional crystal packing structures of 2, 4, and 5 are consolidated by intermolecular hydrogen bonds linking the oxygen atom of the oxalate group and the amine or imine group of the imidazole-based part into chains. The molecules of complex 6 are held together by intermolecular hydrogen bonds between the oxygen atoms of the oxalate group and coordinated water molecules. |
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