Abstract
The crystal and molecular structures of [Me2Etim]Cl, [Me2Etim]2[CoCl4], and [Me2Etim]2[NiCl4] ([Me2Etim]+ = 1,2-dimethyl-3-ethylimidazolium cation) all contain evidence that the H4 and H5 protons of the imidazolium cation enter into hydrogen bonds; the implications of this observation for the interactions in room-temperature chloroaluminate(III) ionic liquids are considered.
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Abdul-Sada, A.K., Al-Juaid, S., Greenway, A.M. et al. Upon the hydrogen-bonding ability of the H4 and H5 protons of the imidazolium cation. Struct Chem 1, 391–394 (1990). https://doi.org/10.1007/BF01374488
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DOI: https://doi.org/10.1007/BF01374488