F-19 SOLVENT SHIFTS AS MOLECULAR ENVIRONMENTAL PROBES

被引：7
|
作者：
SUNTIOINEN, S
LAATIKAINEN, R
机构：
[1] Department of Chemistry, University of Kuopio, Kuopio, SF-70211
来源：
MAGNETIC RESONANCE IN CHEMISTRY | 1991年 / 29卷 / 05期
关键词：
FLUORINE NMR; SOLVENT EFFECTS; CHEMICAL SHIFTS; CHEMOMETRICS;
D O I：
10.1002/mrc.1260290505
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The F-19 solvent shifts of trichlorofluoromethane, fluorobenzene and methyl trifluoracetate were measured with respect to an external reference in 48 solvents and solvent mixtures. The data were modelled using various linear and thermodynamic approaches. The models based only on the chemical composition of the solvent explain the results with a correlation coefficient of 0.95-0.96, corresponding to an r.m.s. value of 0.14-0.21 ppm. Including the refractivities improves the fit slightly in some cases.
引用
收藏
页码：433 / 439
页数：7
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