IR STUDY OF THE INTERACTION OF WATER WITH PROTON-ACCEPTING SOLVENTS

被引:0
|
作者
Wu Xiongwu [1 ]
Chen Zhi [1 ]
Teng Teng [1 ]
Ning Yongcheng [2 ]
机构
[1] Qinghua Univ, Dept Chem Engn, Beijing, Peoples R China
[2] Qinghua Univ, Dept Chem, Beijing, Peoples R China
关键词
D O I
10.3866/PKU.WHXB19900216
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
The interaction of water with solvents in H2O-TBP-CCl4 system and H2O-p-dioxan-CCl4 system is studied with IR method. The absorbances of free water, 1:1 and 1:2 complex are observed and the absorbance frequencies of each species are assigned. In H2O-TBP-CCl4 system, there exists not only symmetric 1:2 complex but also unsymmetric one. The water molecule in unsymmetric 1:2 complex is considered to be hydrogen bonded with two kinds of oxygen atom in TBP. And the hydrogen bonds are different in strength. Because of different spatial configurations of solvent molecules around water, more than one kind of 1:2 complex exist in H2O-p-dioxan-CCl4 system.
引用
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页码:215 / 219
页数:5
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