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Characterization of the Influence of Hydrated Ions on the Oxygen-Hydrogen Stretching Vibration of Water by Raman Spectroscopy
Tian, Zhi-xian1,2,3; Zhang, Xin2,3,4; Liu, Chang-ling1,4; Meng, Qing-guo1; Du, Zeng-feng2,3; Yan, Jun2,3,4
2020-02-19
发表期刊ANALYTICAL LETTERS
ISSN0003-2719
页码13
通讯作者Tian, Zhi-xian(tzx87@sina.com)
摘要The Raman OH stretching vibration band of liquid water is asymmetric and multimode superimposed and is susceptible to variations in salinity, pressure, and temperature. Ions have non-negligible influences on the Raman O-H stretching band of water because these ion-water interactions are stronger than those between water molecules. The determination of molecular-level details of hydration processes remains a great challenge, both experimentally and theoretically. The effects of 11 common ions on the O-H stretching band of liquid water are characterized with a skewing parameter introduced to describe the distortion caused by ion hydration. With increasing salt concentration, the symmetry of the Raman O-H stretching band decreases as the skewing parameter value increases. Therefore, ions primarily break the tetrahedral hydrogen bonding and promote the formation of partly hydrogen-bonded and free water molecules. Additionally, the effects of anions are much stronger than those of cations due to the asymmetric charge distribution in the dipoles of H2O. It is revealed that the influences of the common ions on the Raman OH stretching band of water are in the following order: I- > Br- > Cl- > F-, > K+ > Na+, and Sr2+ > Ca2+ > Mg2+. For ions with the same charge, the order of their effects on the Raman O-H stretching band of water is usually the same as the order of their ionic crystal radii but the reverse order of their hydrated radii.
关键词Hydrogen bonding ion hydration Raman spectroscopy skewing parameter water structure
DOI10.1080/00032719.2020.1728294
收录类别SCI
语种英语
资助项目Strategic Priority Research Program, CAS[XDA19060402] ; National Natural Science Foundation of China[41822604] ; National Natural Science Foundation of China[41576104] ; National Natural Science Foundation of China[41876051] ; Key Research Program of Frontier Sciences, CAS[QYZDB-SSW-DQC004] ; National Key R&D Program of China[2016YFC0302103] ; National Key R&D Program of China[2017YFC0307600]
WOS研究方向Chemistry
WOS类目Chemistry, Analytical
WOS记录号WOS:000514954100001
出版者TAYLOR & FRANCIS INC
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/165533
专题海洋地质与环境重点实验室
通讯作者Tian, Zhi-xian
作者单位1.China Geol Survey, Minist Nutural Resources, Qingdao Inst Marine Geol, Qingdao, Peoples R China
2.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Geol & Environm, Qingdao, Peoples R China
3.Chinese Acad Sci, Inst Oceanol, Ctr Deepsea Res, Qingdao, Peoples R China
4.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Geol, Qingdao, Peoples R China
第一作者单位中国科学院海洋研究所
通讯作者单位中国科学院海洋研究所
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GB/T 7714
Tian, Zhi-xian,Zhang, Xin,Liu, Chang-ling,et al. Characterization of the Influence of Hydrated Ions on the Oxygen-Hydrogen Stretching Vibration of Water by Raman Spectroscopy[J]. ANALYTICAL LETTERS,2020:13.
APA Tian, Zhi-xian,Zhang, Xin,Liu, Chang-ling,Meng, Qing-guo,Du, Zeng-feng,&Yan, Jun.(2020).Characterization of the Influence of Hydrated Ions on the Oxygen-Hydrogen Stretching Vibration of Water by Raman Spectroscopy.ANALYTICAL LETTERS,13.
MLA Tian, Zhi-xian,et al."Characterization of the Influence of Hydrated Ions on the Oxygen-Hydrogen Stretching Vibration of Water by Raman Spectroscopy".ANALYTICAL LETTERS (2020):13.
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