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Figure 2
Characterization of the GPA plot and the ER. (a) The x positions of the dimensionless GPA peak in the (qRg)2 dimension for ellipsoids of revolution with axes a, a, va and cylinders with radius r and length 2vr are plotted as a function of the scale factor v. (b) The y positions of the dimensionless GPA peak in the qRgI(q)/I(0) dimension for ellipsoids of revolution and cylinders are plotted as a function of the scale factor v. (c) ER is the ratio of the areas under the P(r) function after and before the maximum. Relatively symmetric P(r) curves have ER values around 1.0, and P(r) curves from extended scatters have large ER values. (d) The ER values of ellipsoids and cylinders from panels (a) and (b) are plotted as a function of the scale factor v. (e) The x positions of the dimensionless GPA peak for ellipsoids of revolution, cylinders, triaxial ellipsoids and rectangular prisms are plotted as a function of ER. (f) The y positions of the dimensionless GPA peak for the regular solids from panel (e) are plotted as a function of ER.

Journal logoJOURNAL OF
APPLIED
CRYSTALLOGRAPHY
ISSN: 1600-5767
Volume 49| Part 5| October 2016| Pages 1412-1419
https://doi.org/10.1107/S1600576716010906
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