Structure of the Nearest Environment of Ions in Aqueous Solutions of Cadmium Chloride and Nitrate According to the Data of X-ray Diffraction Analysis

P. R. Smirnov; Смирнов П. Р.; O. V, Grechin; Гречин О. В.

doi:10.31857/S0044453723060250

Structure of the Nearest Environment of Ions in Aqueous Solutions of Cadmium Chloride and Nitrate According to the Data of X-ray Diffraction Analysis

Authors: Smirnov P.R.¹, Grechin O.V.¹^,2
Affiliations:
1. Krestov Institute of Solution Chemistry of Russian Academy of Sciences
2. Ivanovo State University of Chemistry and Technology
Issue: Vol 97, No 6 (2023)
Pages: 805-811
Section: ФИЗИЧЕСКАЯ ХИМИЯ РАСТВОРОВ
URL: https://journals.rcsi.science/0044-4537/article/view/136616
DOI: https://doi.org/10.31857/S0044453723060250
EDN: https://elibrary.ru/KCWLPM
ID: 136616

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Abstract
About the authors
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Abstract

Quantitative characteristics of the nearest environment of ions in aqueous solutions of cadmium chloride and nitrate are determined by X-ray diffraction analysis in a wide range of concentrations under standard conditions. It is found that, in the studied systems, the coordination number of the cation increases with dilution from 4 to 6. The structure of solutions in the entire studied range of concentrations is determined by ionic associates of the contact type. In solutions of cadmium nitrate, the nitrate ion is monodentately coordinated to the cation.

Keywords

electrolyte solutions, X-ray diffraction analysis, structure, coordination number

About the authors

P. R. Smirnov

Krestov Institute of Solution Chemistry of Russian Academy of Sciences

Email: prs@isuct.ru
153045, Ivanovo, Russia

O. V, Grechin

Krestov Institute of Solution Chemistry of Russian Academy of Sciences; Ivanovo State University of Chemistry and Technology

Author for correspondence.
Email: prs@isuct.ru
153045, Ivanovo, Russia; 153000, Ivanovo, Russia

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