Comparison of the macrocyclic effect for ether hosts in aqueous and organic solvents

J. N. Spencer, J. E. Mihalick, T. J. Nicholson, P. A. Cortina, J. L. Rinehimer, J. E. Smith, Xiaoming Ke, Qing He, S. E. Daniels, Shaym Puppala, James L. Ealy, L. J. Fenton, William J. Nicholson, Ian M. Paul, Claude H. Yoder

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Abstract

Equilibrium constants and enthalpies of host-guest complexation have been determined by calorimetry for cyclic and acyclic polyether hosts with a variety of guests and solvents. The thermodynamic parameters for complexation of group I cation guests by crown ethers in water solvent may be correlated to the hydration enthalpy and relative sizes of cation and ether. The macrocyclic effect is observed for cation-ether systems in water solvent but not for the complexation of malononitrile by ethers in nonpolar aromatic or alcohol solvent.

Original languageEnglish (US)
Pages (from-to)10509-10512
Number of pages4
JournalJournal of physical chemistry
Volume97
Issue number40
DOIs
StatePublished - Jan 1 1993

All Science Journal Classification (ASJC) codes

  • Engineering(all)
  • Physical and Theoretical Chemistry

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    Spencer, J. N., Mihalick, J. E., Nicholson, T. J., Cortina, P. A., Rinehimer, J. L., Smith, J. E., Ke, X., He, Q., Daniels, S. E., Puppala, S., Ealy, J. L., Fenton, L. J., Nicholson, W. J., Paul, I. M., & Yoder, C. H. (1993). Comparison of the macrocyclic effect for ether hosts in aqueous and organic solvents. Journal of physical chemistry, 97(40), 10509-10512. https://doi.org/10.1021/j100142a040