AI Article Synopsis

  • This study focuses on identifying the [AlCl] cation in ethereal solutions using Raman and infrared (IR) spectroscopy, an identification previously confirmed by Al NMR spectrometry.
  • Water addition to tetrahydrofuran (THF) solutions enhances specific Raman and IR spectral bands, indicating changes in the [AlCl] complex's behavior, while new bands are noted in tetraglyme systems.
  • The research identifies the presence of [AlCl(THF)] in cyclic ether solutions and -[AlCl(G4)] in acyclic systems, highlighting differences in the complexes formed depending on the solvent.

Article Abstract

A Raman and IR study of AlCl-based ethereal solutions is here presented and aims at identifying the [AlCl] cation, which has been so far unambiguously characterized by Al NMR spectrometry. To do that, experimental-theoretical vibrational spectroscopy was so employed, and the data are interpreted successfully. As a known amount of water is added to the tetrahydrofuran (THF)-containing electrolyte, a Raman band at 271 cm has its intensity increased along with the most intense band of [AlCl], and such behavior is also seen for a band at 405 cm in the IR spectra. New bands at around 420 and 400 cm are observed in both Raman and IR spectra for the tetraglyme (G4)-based systems. The [AlCl(THF)] complex, in the and forms, is present in the cyclic ether, while the -[AlCl(G4)] isomer is identified in the acyclic one.

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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC11597026PMC
http://dx.doi.org/10.3390/molecules29225377DOI Listing

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