Ionic solid-state dimers and polymers derived from imidazolium dicarboxylic acids |
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Authors: | Fei Zhaofu Ang Wee Han Geldbach Tilmann J Scopelliti Rosario Dyson Paul J |
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Affiliation: | Institut des Sciences et Ingénierie Chimiques, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland. |
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Abstract: | A series of imidazolium dicarboxylic acids have been prepared from the reaction of the 1,3‐bis(carboxymethyl)imidazolium zwitterion with the Brønsted acids HX (X=F, Br, Cl, ClO4). The structures of these acids have been established in the solid state by single‐crystal X‐ray diffraction, which revealed that the cations and anions form strong hydrogen bonds through O? H???X interactions, leading to the formation of dimeric and polymeric networks. These acids react with elemental zinc and cobalt to form stable polymeric coordination complexes, some of which have also been characterised by X‐ray diffraction. |
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Keywords: | Brønsted acids coordination polymers hydrogen bonds ionic liquids solid‐state structures |
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