The Intensities of the Infrared-Active Intermolecular Translational Bands in Solid Chlorine. Evidence for Intermolecular Bonding

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Abstract
The intensity of absorption of the translational lattice vibrations of crystalline chlorine at ~90 °K has been measured. It is about 35 times that calculated assuming that the oscillating moments are induced by the quadrupole moments of neighboring molecules. This provides strong evidence for intermolecular bonding between chlorine molecules.
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