A previously unrecognised hydronium di-cation in the crystal structure of a cucurbituril derivative
Literature Information
Ivan Bernal, Uday Mukhopadhyay, Alexander V. Virovets, Vladimir P. Fedin, William Clegg
Examination of the crystal structure of the adduct of hydronium tetrachloroferrate dichloride with cucurbituril resulted in the discovery that the hydronium cation present therein is not the well known H7O3+ species; rather, it is an unprecedented cyclic species of composition (H14O6)2+, templated by the formation of five hydrogen bonds to cucurbituril.
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