Synthesis and solid-state structure of magnesium and calcium imidazole complexes |
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Authors: | Yvonne Unger Sebastian Ahrens |
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Affiliation: | Technische Universität Dresden, Physikalische Organische Chemie, Mommsenstrasse 13, 01062 Dresden, Germany |
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Abstract: | Three octahedral complexes built from N-alkylsubstituted imidazoles and magnesium as well as calcium chloride are reported. The obtained solid-state structures differ significantly from each other, depending on the size of the metal ion and the substituent on the imidazole. A chloro-bridged structure is found in the case of tert-butylimidazole, while for the iso-propylimidazole the calcium ion is coordinated by six imidazoles. For the smaller magnesium cation, we also found a sixfold coordination, but here only three of the iso-propylimidazoles coordinate to the magnesium, the three other positions are taken by water molecules. |
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Keywords: | Imidazole-metal complexes Alkaline-earth metals Solid-state structures Imidazole X-ray crystal structures Calcium Magnesium |
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