Abstract
Quantum mechanical density functional theory (DFT) calculations were used to derive the most probable structures of the bambus[6]uril·H3O+ and bambus[6]uril·(H3O+)2 cationic complex species. In these two complexes, each of the considered H3O+ ions is bound by three strong linear hydrogen bonds to the three corresponding carbonyl oxygens of the parent macrocyclic receptor.
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This work was supported by the Grant Agency of Faculty of Environmental Sciences, Czech University of Life Sciences, Prague, project No.: 42900/1312/3114 “Environmental Aspects of Sustainable Development of Society”, by the Czech Ministry of Education, Youth, and Sports (project MSM 6046137307), and by the Czech Science Foundation (project P 205/10/2280). The computer time at the MetaCentrum (project LM 2010005), 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 protonation of bambus[6]uril. Monatsh Chem 143, 373–376 (2012). https://doi.org/10.1007/s00706-011-0682-4
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DOI: https://doi.org/10.1007/s00706-011-0682-4