Abstract
By using quantum mechanical calculations, the most probable structures of free dibenzo-18-crown-6 ligand and the cationic complex species of Cs+ both with one and with two dibenzo-18-crown-6 ligands were derived. In these two complexes, the “central” cation Cs+ is bound by strong bond interactions to the corresponding ethereal oxygen atoms of the parent crown ligand.
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Acknowledgments
This work was supported by the Czech Ministry of Education, Youth, and Sports (projects MSM 4977751303 and MSM 6046137307) and by the Czech Science Foundation (project P205/10/2280). The computer time at the MetaCentrum (project MSM 6383917201), as well as at the Institute of Physics (computer Luna/Apollo), Academy of Sciences of the Czech Republic, is gratefully acknowledged.
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Toman, P., Makrlík, E. & Vaňura, P. Theoretical study on the complexation of the cesium cation with dibenzo-18-crown-6. Monatsh Chem 142, 569–571 (2011). https://doi.org/10.1007/s00706-011-0490-x
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DOI: https://doi.org/10.1007/s00706-011-0490-x