Organic halide-alcohol interactions: Observation by means of the glass transition |
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| Authors: | Arnold V Lesikar |
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| Institution: | (1) Department of Physics, St. Cloud State University, 56301 St. Cloud, Minnesota |
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| Abstract: | The glass-transition temperature (T
g) in binary mixtures of the primary alkanols with CBr
4
and CHBr
3
has been measured as a function of composition. The results are compared with earlier studies on alkanol solutions of organic chlorides. The initial molar slope (IMS) of theT
g vs. composition curve at the pure alkanol indicates formation of a 1:1 halide-alkanol complex stabilized by a specific halogen-oxygen interaction. The IMS values decrease in the order CBr
4
>CHBr
3
>CCl
4
>CHCl
3
>CH
2
Cl
2
, reflecting decreasing stability of the complex. |
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| Keywords: | Glass-transition temperature alcohol organic halide molecular complex charge transfer electrostatic interaction |
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