Abstract

A numerical method to calculate radial distribution functions for liquid and amorphous systems from experimental structure factors has been designed. It is based on an expansion of the structure factor into a series of odd Hermite functions. The resulting smoothed radial distribution function is close to the result of the commonly used method of Fourier sine transformation. The method enables, at the same time, control of the quality of the experimental structure factor fitting and the storing of both the structure factor and radial distribution function in a compact form. The use of the method and the corresponding software package is demonstrated using data for liquid Ge, Au and Cu.

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