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A study of hydrogen bonding in concentrated diol/water solutions by proton NMR correlations with glass formation

Forsyth, Maria and MacFarlane, Douglas R. 1990, A study of hydrogen bonding in concentrated diol/water solutions by proton NMR correlations with glass formation, Journal of physical chemistry B : condensed matter, materials, surfaces, interfaces and biophysical, vol. 94, no. 17, pp. 6889-6893.

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Title A study of hydrogen bonding in concentrated diol/water solutions by proton NMR correlations with glass formation
Author(s) Forsyth, Maria
MacFarlane, Douglas R.
Journal name Journal of physical chemistry B : condensed matter, materials, surfaces, interfaces and biophysical
Volume number 94
Issue number 17
Start page 6889
End page 6893
Publisher American Chemical Society
Place of publication Washington, D.C.
Publication date 1990-08
ISSN 1520-6106
1520-5207
Summary Solute/water interactions in a series of diol solutions have been investigated by 1H NMR. Strong hydrogen bonding between water and alcohols that are more basic than water is thought to result in lower chemical shifts of water protons compared to the case of pure water. This is attributed to a greater degree of covalent character in the hydrogen bonding between water and the more basic diols. The inductive effect of the methyl group and longer chain alkyls is observed to increase basicity in ethylene glycol, propylene glycol, and 2,3-butanediol solutions. A correlation between the glass-forming ability of the diol solutions and the stronger hydrogen-bonding solutes (i.e., stronger bases) is developed, with 2,3-butanediol best promoting glass formation at the lowest concentrations.
Language eng
Field of Research 039999 Chemical Sciences not elsewhere classified
Socio Economic Objective 970103 Expanding Knowledge in the Chemical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
Copyright notice ©1990, American Chemical Society
Persistent URL http://hdl.handle.net/10536/DRO/DU:30030129

Document type: Journal Article
Collection: Institute for Technology Research and Innovation
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