Abstract
For pt.II see ibid., vol.8, p.2382 (1975). Dynamical LEED I(V) calculations have been performed for the MgO(100) surface for eight different off-normal incidence geometries. Using parameters identical to those which were found to give good agreement with experiment at normal incidence, similar good agreement is found over all the forty-eight spectra comprising the extended set of data. The result found previously, which was that the MgO(100) surface is little distorted from a simple termination of the bulk crystal, is confirmed, thereby emphasizing the value of the more economical normal incidence analysis.