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Title: Solvation enthalpy and the thermodynamics of hydration of trans-cyclohexyl-1,4-diamine and cis-cyclohexyl-1,2-diamine
Authors: Tomé, Luciana I. N. 
Jesus, A. J. Lopes 
Castro, R. A. Esteves de 
Teixeira, M. Helena S. F. 
Canotilho, João 
Eusébio, M. Ermelinda S. 
Keywords: trans-Cyclohexyl-1,4-diamine; cis-Cyclohexyl-1,2-diamine; Solution enthalpy; Solute-solvent interactions; Hydration thermodynamics
Issue Date: 2007
Citation: The Journal of Chemical Thermodynamics. 39:10 (2007) 1357-1362
Abstract: The enthalpy of solution of trans-cyclohexyl-1,4-diamine and cis-cyclohexyl-1,2-diamine in water was determined by calorimetry. The enthalpy of hydration was determined from this quantity and from the enthalpy of sublimation/vaporization presented in another paper by the authors. Considering the solvation process resulting from cavity creation in the solvent and variation of solute conformation transfer steps, the enthalpy corresponding to solute-solvent interaction was estimated. The entropies of solvation and interaction were calculated from the values given for the enthalpies in the present paper and those available for the Gibbs free energies.
DOI: 10.1016/j.jct.2007.07.006
Rights: openAccess
Appears in Collections:FCTUC Química - Artigos em Revistas Internacionais

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