Effects of modification of molecular structure on Raman spectral depolarization ratios: aqueous betaine (CH3)3NCH2CO2 center dot 29D2O versus (CH3)4NBr center dot 29D2O
Date
2003
Authors
Spinner, Ernest
Journal Title
Journal ISSN
Volume Title
Publisher
Elsevier
Abstract
Replacement of a CH in (CH3)4N+ by a CO2- group raises ρ from 0.012 to 0.034 for symmetric N-C stretching and from ca. 0.026 to 0.031 for all-in-phase methyl C-H stretching. ρ for antisymmetric C-H stretching and CH3 bending remains in the 0.73-0.75 ran
Description
Keywords
Keywords: Chemical bonds; Heavy water; Hydration; Molecular structure; Organic compounds; Positive ions; Depolarization ratios; Raman spectroscopy; betaine; deuterium oxide; quaternary ammonium derivative; tetramethylammonium; article; chemical structure; chemistry Depolarization ratios; Lack of hydration asymmetry effects; Raman spectra; Trimethylammonioacetate zwitterion
Citation
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Source
Spectrochimica Acta: part A
Type
Journal article