Abstract
The inclusion complex with stoichiometric composition 1:1 was formed as a result of intermolecular interactions between para-aminobenzoic acid and β-cyclodextrin. The stability constant of “β-cyclodextrin-para-aminobenzoic acid” inclusion complex at 289, 292 and 313 K was calculated by the Ketelar equation. The influence of temperature on the stability of “β-cyclodextrin-para-aminobenzoic acid” inclusion complex was also examined, and thermodynamic parameters involved in the complex formation (ΔG, ΔH, ΔS) were calculated. Supramolecular complex formation between para-aminobenzoic acid and β-cyclodextrin was confirmed by X-ray diffraction and IR spectroscopy studies.
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Roik, N.V., Belyakova, L.A. Thermodynamic, IR spectral and X-ray diffraction studies of the “β-cyclodextrin-para-aminobenzoic acid” inclusion complex. J Incl Phenom Macrocycl Chem 69, 315–319 (2011). https://doi.org/10.1007/s10847-010-9737-0
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DOI: https://doi.org/10.1007/s10847-010-9737-0