AN X-RAY ANOMALOUS SCATTERING STUDY OF LIQUID GeBr4

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Abstract
X-ray anomalous scattering data from the molecular liquid GeBr4 were collected and analyzed in order to investigate the accuracy of the anomalous scattering technique and study the intermolecular structure of the liquid. The differential anomalous scattering technique gave coordination distances and numbers accurate to 0.02 A and 5 % respectively as compared with the known intramolecular structure. The Br-Br partial distribution function (PDF), which dominates the total scattering, was determined but the Ge-Br and Ge-Ge correlations could not be well separated. The modeling results are consistent with a change in molecular packing upon melting

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