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Hardness Profiles of Some 1,2-Hydrogen Shift Reactions
The Journal of Physical Chemistry (1995)
  • T. Kar
  • Steve Scheiner, Utah State University

Ab initio SCF/6-31G** calculations are performed on the 1,Zhydrogen shift reaction in some HAB molecules and HAB+ ions (AB = CN, SiN, BO, A10, BS, AlS, BeF, CO, SiO, CS, N2) in order to test the validity of the maximum hardness principle. The hardness is found to be a good indicator of the more stable isomer in most cases, as is the chemical potential. Profiles of these quantities, as a function of the reaction coordinate, do not exhibit extrema at the transition state, but other extrema are noted at unexpected points. While the total energy does not exhibit the same behavior as the hardness or the chemical potential, the individual electronic and nuclear repulsion energies are in close parallel with them.

  • hardness,
  • profiles,
  • hydrogen,
  • shift,
  • reactions
Publication Date
January 1, 1995
Publisher Statement

Originally published by American Chemical Society in the Journal of Physical Chemistry.

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Citation Information
Hardness Profiles of Some 1,2-Hydrogen Shift Reactions T. Kar, S. Scheiner J. Phys. Chem. 1995 99, 8121-8124.