2D PHASE-TRANSITION OF ORGANIC-MOLECULES ADSORBED AT THE HG ELECTRODEAQUEOUS-SOLUTION INTERFACE - PART 2 COMPARISON OF EXPERIMENTAL-DATA WITH MODEL PREDICTIONS

The 2D phase transition of thymine, uracil, guanine and coumarin, adso rbed at the Hg electrode/aqueous solution interface, is rationalised o n the basis of the model proposed in Part 1, J. Chem. Sec., Faraday Tr ans., 1994, 90, 2925. The results together with that obtained for aden ine, are compared with the relevant quantities calculated by using mol ecular descriptors (dipole moments and polarizabilities). Finally, a v alue of the standard eathalpy phase-transition variation, averaged ove r the results collected for the five compounds is estimated and discus sed.