Abstract
Anx-ray structural study of [QndH+]2[MoO 2−4 ]H2O (1) and [QndH+]Cl−H2O (2), where Qnd = quinidine, was conducted. The structures have an ionic structure, and the ions are joined by hydrogen bonds into chains (1) and layers (2). Quinidinium cations protonated at the quinuclidine N atom have a conformation with agauche position of the N atom and OH group (as in neutral quinidine) corresponding to the local, and not the global, minimum of the calculated conformational energy.
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A. N. Nesmeyanov Institute of Organoelemental Compounds, Russian Academy of Sciences, 117813 Moscow. Translated from Izvestiya Akademii Nauk, Seriya Khimicheskaya, No. 5, pp. 1073–1078, May, 1992.
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Shamuratov, É.B., Batsanov, A.S., Struchkov, Y.T. et al. Crystal structures of bis(quinidinium) molybdate hydrate and quinidinium chloride hydrate: The question of the stable conformation of quinidine. Russ Chem Bull 41, 841–845 (1992). https://doi.org/10.1007/BF00864530
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DOI: https://doi.org/10.1007/BF00864530