Density, Viscosity, Spectra and Quantum Chemistry Analysis of Dimethyl Sulfoxide and Ethylene Glycol Propyl Ether Mixtures

IF 0.7 4区化学 Q4 CHEMISTRY, PHYSICAL

Russian Journal of Physical Chemistry A Pub Date : 2024-09-09 DOI:10.1134/s0036024424701267

Yanli Liu, Ying Zhang, Kun Liu, Liting Kong, Xiaohong Xie, Jianbin Zhang

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Abstract

The density (ρ) and dynamic viscosity (η) values of the binary mixed solution (ethylene glycol propyl ether (2-PE) and dimethyl sulfoxide (DMSO)) with different concentrations were measured by Ubbelohde viscometer (0.8–0.9 mm in diameter) and 25 mL pycnometer at atmospheric pressure and 293.15–318.15 K of the temperature. According to the ρ and η values, the viscosity deviation (\(\Delta {{\eta }}\)), excess molar volume (\(V_{m}^{E}\)), partial molar volume (\({{\bar {V}}_{{\text{1}}}}\),\(~{{\bar {V}}_{{\text{2}}}}\)), apparent molar volume (\({{V}_{{\not\bigcirc {\text{,1}}}}}\),\(~{{V}_{{\not\bigcirc {\text{,2}}}}}\)), excess Gibbs energy of activation for viscous flow (\(\Delta {{G}^{E}}\)), and thermal expansion coefficient (\({{{{\alpha }}}_{p}}\)) of the mixed solution were obtained by the calculation method. In addition, the intermolecular forces between 2-PE and DMSO were analyzed by infrared spectra (FTIR), ultraviolet spectra (UV–Vis) and fluorescence spectra. The results showed that hydrogen bond is formed between the hydrogen atom on hydroxyl of 2-PE and oxygen atom of DMSO, and the hydrogen bond affects the physical properties of the binary system. Based on the analysis above, the result was interpreted as (CH₃)₂S=O···HOCH₂CH₂OCH₂CH₂CH₃.

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二甲基亚砜和乙二醇丙醚混合物的密度、粘度、光谱和量子化学分析

摘要在常压和温度为293.15-318.15 K条件下，用Ubbelohde粘度计（直径0.8-0.9 mm）和25 mL比重计测量了不同浓度的二元混合溶液（乙二醇丙醚（2-PE）和二甲基亚砜（DMSO））的密度（ρ）和动态粘度（η）值。根据 ρ 和 η 值，得出粘度偏差（\(\Delta {{eta }}\)）、过量摩尔体积（\(V_{m}^{E}\)）、部分摩尔体积（({{bar {V}}_{text{1}}}}\),\(~{{bar {V}}_{{text{2}}}}\)), 表观摩尔体积（({{V}_{not\bigcirc {text\、1}}}}}）、（~{{V}_{not\bigcirc {text{, 2}}}}}））、粘性流动的过量吉布斯活化能（\(\Delta {{G}^{E}}\) ）和混合溶液的热膨胀系数（\({{{{\alpha }}}_{p}}\ ）。此外，还通过红外光谱（FTIR）、紫外光谱（UV-Vis）和荧光光谱分析了 2-PE 和 DMSO 之间的分子间作用力。结果表明，2-PE 的羟基上的氢原子与 DMSO 的氧原子之间形成了氢键，氢键影响了二元体系的物理性质。根据上述分析，结果解释为 (CH3)2S=O---HOCH2CH2OCH2CH2CH3 。

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来源期刊

Russian Journal of Physical Chemistry A 化学-物理化学

CiteScore

1.20

自引率

14.30%

发文量

376

审稿时长

5.1 months

期刊介绍： Russian Journal of Physical Chemistry A. Focus on Chemistry (Zhurnal Fizicheskoi Khimii), founded in 1930, offers a comprehensive review of theoretical and experimental research from the Russian Academy of Sciences, leading research and academic centers from Russia and from all over the world. Articles are devoted to chemical thermodynamics and thermochemistry, biophysical chemistry, photochemistry and magnetochemistry, materials structure, quantum chemistry, physical chemistry of nanomaterials and solutions, surface phenomena and adsorption, and methods and techniques of physicochemical studies.

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