The phases and magnitudes of the structure factors

Furthermore, Booth's method presupposes a knowledge of the orientation which is not generally completely available.Since it does not involve plotting contour diagrams, it might, however, prove advantageous in the case of non-planar molecules.I wish to thank Prof. R. W. James for many helpful discussions throughout the course of the work, and particularly for his valued advice in the formulation of the theoretical part of this paper.To the South African Council of Scientific and Industrial Research I am indebted for a research grant, during the tenure of which