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

被引：0
|
作者：
Smirnov, P. R. [1 ]
Grechin, O. V. [2 ]
机构：
[1] Russian Acad Sci, Krestov Inst Solut Chem, Ivanovo 153045, Russia
[2] Ivanovo State Univ Chem & Technol, Ivanovo 153000, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2023年 / 97卷 / 06期
基金：
俄罗斯基础研究基金会;
关键词：
electrolyte solutions; X-ray diffraction analysis; structure; coordination number; MOLECULAR-DYNAMICS; RAMAN; COORDINATION; HYDRATION; SHELL; CD2+;
D O I：
10.1134/S0036024423060250
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
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.
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页码：1152 / 1158
页数：7
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