Journal of Solution Chemistry

, Volume 4, Issue 10, pp 873–891 | Cite as

Conductance of some tetraphenylborides with cryptates as counter-ions in tetrahydrofuran

  • Sylvie Boileau
  • Patrick Hemery
  • Jean-Claude Justice
Article

Abstract

The conductance behavior of potassium tetraphenylboride and of sodium and potassium tetraphenylborides complexed by macroheterobicycles was studied in tetrahydrofuran over a temperature range of −70 to +20°C. Stokes' radii of potassium and of alkaline cryptates were compared with ionic radii. The conductance data were analyzed by a more careful method than that usually used for this solvent. This leads to an interpretation of the physical meaning of the distance parameter in agreement with Bjerrum's concept for the distinction between short- and long-range electrostatic interactions.

Key Words

Cryptates tetraphenylborides conductivity associations ion pairs ionic radii THF-enthalpy 

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Copyright information

© Plenum Publishing Corporation 1975

Authors and Affiliations

  • Sylvie Boileau
    • 1
  • Patrick Hemery
    • 1
  • Jean-Claude Justice
    • 2
  1. 1.Laboratoire de Chimie Macromoléculaire associé au C.N.R.S.Université de Paris VI, 4Paris Cédex 05France
  2. 2.Laboratoire d'ElectrochimieUniversité de Paris VIParis Cédex 05France

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