Abstract
Metal-containing ionic liquids composed of the 2,8-dioxo-5-azoniaspiro[4.5]decane (MorphOx) and 2-oxo-5-azoniaspiro[4.4]nonane (PyrOx) spiro cations and tetrachlorometallate anions \({\text{MCl}}_{4}^{{2 - }}\) (M = Mn, Ni, Co) were synthesized and studied by X-ray diffraction (CIF file CCDC nos. 2033482 (Morph-Ox2CoCl4), 2033483 (PyrOx2CoCl4), 2033484 (PyrOx2MnCl4), and 2033485 (PyrOx2NiCl4)). The compounds PyrOx2MCl4 are isostructural. The phase transition temperatures of the compounds were determined by differential scanning calorimetry.
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ACKNOWLEDGMENTS
The study was carried out using the equipment of the Center for Collective Use of the Moscow State University.
Funding
This study was supported by the Russian Foundation for Basic Research (grant no. 19-08-00672a).
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Translated by Z. Svitanko
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Zakharov, M.A., Vyatchanina, E.A., Ivanov, A.S. et al. Synthesis, Crystal Structure, and Thermal Properties of Metal-Containing Ionic Liquids with Spiro Cations: (Spiro)2MCl4 (Spiro = 2,8-Dioxo-5-azoniaspiro[4.5]decane or 2-Oxo-5-azoniaspiro[4.4]nonane, M = Mn, Ni, Co). Russ J Coord Chem 47, 638–645 (2021). https://doi.org/10.1134/S1070328421090098
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DOI: https://doi.org/10.1134/S1070328421090098