Abstract
Thermodynamic characteristics for the 1:1 complex formation reactions ofp-nitrophenol with amines in benzene, chlorobenzene, ando-dichlorobenzene have been derived from combined spectrophotometric equilibrium constant determinations and calorimetric measurements. For cyclohexane as the reaction medium, approximate values of the reaction heats have been calculated from temperature dependences of the equilibrium constants. The results are analyzed in terms of the separately determined heats of transfer of the reactants between the solvents used. Usingp-nitrophenol andp-fluoronitrobenzene as reference compounds, the hydrogen-bond-type interactions ofp-nitrophenol with the aromatic solvents are shown to be accompanied by other specific interactions of comparable strength.
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Libuś, W., Mecik, M. & Sułek, W. Solvent effect in hydrogen-bond formation betweenp-nitrophenol and amines. J Solution Chem 6, 865–879 (1977). https://doi.org/10.1007/BF00648075
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DOI: https://doi.org/10.1007/BF00648075