An analytical expression is derived for the frequency distribution of the orientation factor in the non-radiative transfer of electronic excitation energy.
Tompa, H., & Englert, A. (1979). The frequency distribution of the orientation factor of dipole-dipole interaction. Biophysical Chemistry, 9(3), 211-214. https://hdl.handle.net/2078.5/138301 (Original work published 1979)