Abstract
Aqueous lanthanide chloride solutions with 1 : 40 molar ratio have been studied by X-ray diffraction. Quantitative characteristics of the short-range environment of ions in solutions have been determined using model approach to analysis of experimental data. It has been confirmed that the number of molecules in the short-range environment decreases from nine to eight on passing from light to heavy cations. In so doing, three-caped trigonal prism coordination spheres of cations become two-caped one. Cations also form second coordination spheres composed of 8–10 solvent molecules. Noncontact ion associates form in all the systems.
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Original Russian Text © P.R. Smirnov, O.V. Grechin, 2018, published in Zhurnal Neorganicheskoi Khimii, 2018, Vol. 63, No. 5, pp. 635–639.
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Smirnov, P.R., Grechin, O.V. Comparative Structural Characteristic of Aqueous Lanthanide Chloride Solutions at 1 : 40 Molar Ratio from X-ray Diffraction Data. Russ. J. Inorg. Chem. 63, 665–669 (2018). https://doi.org/10.1134/S0036023618050170
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DOI: https://doi.org/10.1134/S0036023618050170