New Multidimensional Coordination Polymers with μ 2 ‐ and μ 3 ‐dcno Cyano Carbanion Ligand {dcno – = [(NC) 2 CC(O)O(CH 2 ) 2 OH] – }
| Autor: | Jean Sala-Pala, Fatima Setifi, Samia Benmansour, Carlos J. Gómez-García, Smail Triki, Jean-Yves Salaün, Fanny Vandevelde, Thierry Roisnel |
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| Rok vydání: | 2006 |
| Předmět: |
biology
010405 organic chemistry Chemistry Ligand Metal ions in aqueous solution Inorganic chemistry Infrared spectroscopy 010402 general chemistry 01 natural sciences 0104 chemical sciences 3. Good health Ion Inorganic Chemistry Metal Crystallography visual_art biology.protein visual_art.visual_art_medium Molecule Organic anion Carbanion |
| Zdroj: | European Journal of Inorganic Chemistry. 2007:186-194 |
| ISSN: | 1099-0682 1434-1948 |
| DOI: | 10.1002/ejic.200600449 |
| Popis: | New polymeric materials [M(dcno)2(H2O)2] [M = FeII (1), CoII (2)] and [M(dcno)2] [M = CuII (3), MnII (4)] with dcno– =[(NC)2CC(O)O(CH2)2OH]– = 2,2-dicyano-1-(2-hydroxyethoxy)ethenolate anion have been synthesised and characterised by IR spectroscopy, X-ray crystallography and magnetic measurements. In compounds 1 and 2, each organic ligand acts in a bridging mode with its two nitrogen atoms bound to two different metal ions, while in compounds 3 and 4, each organic anion acts as a μ3-bridging ligand through its two nitrogen atoms and the oxygen atom of the OH group. Each metal ion has a pseudo-octahedral trans-MN4O2 environment with four nitrogen atoms from four different organic ligands and two oxygen atoms from two water molecules in compounds 1 and 2 and from the OH group of the cyanocarbanion ligand in compounds 3 and 4. These coordination modes give rise to 1D, 2D and 3D arrangements for compounds 1, 2 and 3–4, respectively. Magnetic measurements show weak antiferromagnetic coupling between metal centres in the four compounds.(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2007) |
| Databáze: | OpenAIRE |
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