Scattering of X-Rays by Polyatomic Liquids. n-Heptane

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Abstract
A Fourier integral analysis of Katzoff's data for the x‐ray scattering of n‐heptane gives not only the arrangement of molecules in the liquid, but also the most probable distances within the single molecule. It is shown that the molecule consists of a zigzag carbon chain. Adjacent molecules are somewhat oriented and increase in temperature makes a more random condition. The Fourier integral theorem is shown to be valid even though the function for which it is used does not converge within the limits of the data. The distribution function is used to calculate the intensity, giving a fair agreement with the experimental values.