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. 2020 Jul 13;25(14):3195. doi: 10.3390/molecules25143195

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© 2020 by the authors.

Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).

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Thermal ellipsoid plots (50%) of the crystal structures of (a) H₂11_triclinic, (b) [H₄11][CF₃CO₂]₂, with counter anions omitted from view, and (c) side view of [H₄11][CF₃CO₂]₂, with counter anions shown. Hydrogen bonding is indicated by striped bonds.