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Interaction of 18-crown-6 with yttrium chloride: inner-sphere transformations of complexes under conditions of solid-state thermolysis

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Abstract

The reactions of [YCl2(H2O)6]Cl with 18-crown-6 in aliphatic alcohol solutions afford the complexes [Y(H2O)3(18-crown-6)]Cl3·1.25H2O (1) and [Y(H2O)8]Cl3·(18-crown-6)·4H2O (2), in which the inner coordination sphere of yttrium consists of nine and eight oxygen atoms, respectively. The inner-sphere transformations of complexes 1 and 2 under conditions of solid-state thermolysis were investigated. After the removal of coordinated water molecules from compound 1, the complex undergoes a structural transformation at temperatures above 180 °C, resulting in that two chloride anions enter into the coordination sphere of yttrium. For compound 2, a double exothermic effect is observed in the temperature range of 160–300 °C due to the formation of a certain new structural species containing chloride ions and 18-crown-6 in the inner coordination sphere.

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Authors and Affiliations

  1. N. S. Kurnakov Institute of General and Inorganic Chemistry, Russian Academy of Sciences, 31 Leninsky prosp., 119991, Moscow, Russian Federation

    Zh. V. Dobrokhotova, S. P. Petrosyants, A. B. Ilyukhin & V. M. Novotortsev

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  1. Zh. V. Dobrokhotova
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  2. S. P. Petrosyants
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  3. A. B. Ilyukhin
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  4. V. M. Novotortsev
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Correspondence to A. B. Ilyukhin.

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Published in Russian in Izvestiya Akademii Nauk. Seriya Khimicheskaya, No. 11, pp. 2039–2047, November, 2012.

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Dobrokhotova, Z.V., Petrosyants, S.P., Ilyukhin, A.B. et al. Interaction of 18-crown-6 with yttrium chloride: inner-sphere transformations of complexes under conditions of solid-state thermolysis. Russ Chem Bull 61, 2056–2064 (2012). https://doi.org/10.1007/s11172-012-0287-z

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  • DOI: https://doi.org/10.1007/s11172-012-0287-z

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