X-HAY INCOHERENT SCATTERING FUNCTIONS FOR NON-SPHERICAL CHARGE DISTRIBUTIONS:N, N-, O, O+, O+2, O+3, F, F-, Si+4, Si+3, Si, and Ge

摘要

The atomic incoherent scattering functions of N, N-, 0-, 0, 0+ , 0+2, 0+3, F, F-, Si+4, Si+3, and Ge have been calculated accord¬ing to the Waller-Hartree theory as extended in a previous paper to include the effects of the inherent non-sphericity of the atomic charge distributions. Hartree-Fock wave functions were used in all the computations. The results obtained show large deviations from the previously reported values of James & Brindley. These differences arise mainly from the inclusion in the present calculations of all the exchange integrals in the Waller-Hartree expression.