Abstract
AbstractSynchrotron radiation was used for a differential anomalous X‐ray scattering (DAS) study of liquid ethylbromide (C2H5Br). Two diffraction experiments were carried out at photon energies of 12500 and 13464 eV. The dispersion corrections were determined from photoabsorption coefficients obtained from an absorption experiment. After an elaborate and involved data evaluation and correction procedure a differential structure factor was obtained. The peak assignation in the differential atom pair correlation function (DAPCF) was verified by comparison with a theoretical intramolecular distribution function calculated from well known data of the intramolecular geometry of ethylbromide. In addition, a peak at 4.1 Å is found in the DAPCF, which may be assigned to an intermolecular Br—Br atom pair suggesting a strong dispersion interaction.
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