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Dynamics of Halogen Molecule Vibrations in Molecular Crystals: Temperature and Halogen Dependency
Version 1
: Received: 13 April 2024 / Approved: 15 April 2024 / Online: 16 April 2024 (07:31:37 CEST)
How to cite: Kolesov, B. A. Dynamics of Halogen Molecule Vibrations in Molecular Crystals: Temperature and Halogen Dependency. Preprints 2024, 2024040995. https://doi.org/10.20944/preprints202404.0995.v1 Kolesov, B. A. Dynamics of Halogen Molecule Vibrations in Molecular Crystals: Temperature and Halogen Dependency. Preprints 2024, 2024040995. https://doi.org/10.20944/preprints202404.0995.v1
Abstract
Raman spectra of [TeX6](Y2) (X, Y - Cl, Br, I) were recorded in the temperature range 5-300 K. The vibration frequency of molecular halogens as function on temperature and the type of halogen X- in the [TeX6]2- complex was obtained. The vibration frequency of the molecular halogen Y2 depends on the type of halogen X- complex [TeX6]2- The temperature dependence of the Y2 frequency is anomalous compared to what was expected for a conventional anharmonic oscillator. It is shown that the interpretation of the experimental results based on the concept of traditional chemical bonding is quite satisfactory in all cases. The study was motivated by the need to consider the mechanism of interaction in the X-Y2 contacts.
Keywords
halogens; chemical bonding; halogen bonding; Raman spectroscopy
Subject
Chemistry and Materials Science, Physical Chemistry
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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