Scaled particle theory was used for calculating the enthalpy of cavity formation in the solvation process of hydroxyl cyclohexane derivatives in water and in organic solvents. From the values calculated for the enthalpy of formation of the cavity and from those quoted for the enthalpy of solvation,
Enthalpies of solvation of hydroxyl cyclohexane derivatives in different solvents
✍ Scribed by Felisbela S. Costa; M. Ermelinda Eusébio; J.S. Redinha; M. Luı́sa P. Leitão
- Publisher
- Elsevier Science
- Year
- 1999
- Tongue
- English
- Weight
- 111 KB
- Volume
- 31
- Category
- Article
- ISSN
- 0021-9614
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✦ Synopsis
The enthalpies of solution of cyclohexanol, cis-1,2-cyclohexanediol, and myo-inositol in water, formamide, and dimethylsulphoxide at T = 298.15 K as well as their enthalpies of vaporization or sublimation were determined. The enthalpies of solvation were calculated from the data obtained. The contributions of the polar and non-polar groups to the behaviour of the solute molecules in polar solvents are analysed by using the enthalpy of solvation data.
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## Abstract The dynamics of the molecular rotation of 2(1__H__)‐pyridone and 1‐methyl‐2(1__H__)‐pyridone in toluene, carbon tetrachloride, methanol and water have been investigated at 305 K by ^13^C and ^2^H NMR. Both chemical shifts and relaxation times show that 2‐pyridonc forms stable hydrogen‐b