Journal of Physical Organic Chemistry p. 63 - 70 (1995)
Update date:2022-08-17
Topics:
Viana, Cesar A. N.
Calado, Antonio R. T.
Pinherio, Lidia M. V.
The kinetics of the Menshutkin reaction between triethylamine and iodomethane was studied at 313 K in seven primary and secondary alcanols.An accurate conductometric method was employed to obtain second-order rate constants at pressures of 0.1-200 MPa.Volumes and isothermal compressions of activation were calculated by different model-based equations which are compared.Activation volumes at 0.1 MPa are in the range -26 to -33 cm3mol-1.Procedures for dissecting intra- and intermolecular contributions to the volume of activation are discussed.A clear dependence of model parameters on the solvent volumetric properties was found.
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