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Raman-spectral depolarisation ratios of ions in concentrated aqueous solution. The next-to-negligible effect of highly asymmetric ion surroundings on the symmetry properties of polarisability changes during vibrations of symmetrc ions. Ammonium sulphate and teramethylammonium bromide.

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Date

2003

Authors

Spinner, Ernest

Journal Title

Journal ISSN

Volume Title

Publisher

Elsevier

Abstract

Depolarisation ratios ρ have been measured for the Raman spectra of solutions of composition (NH4)2 SO4 · 11H2O and (CH3)4NBr · 29D2O. Even though the former's vibration spectrum shows clear evidence of lowered ion symmetries (presence of ν1 of SO42-

Description

Keywords

Keywords: Ammonium compounds; Chemical bonds; Crystallography; Ions; Molecular vibrations; Solutions; Depolarisation ratios; Raman spectroscopy; ammonium sulfate; ion; quaternary ammonium derivative; tetramethylammonium; water; article; chemical model; chemistry; e Ammonium sulphate; Depolarization ratios; Intermolecular effects; Raman spectra; Tetramethylammonium bromide

Citation

URI

http://hdl.handle.net/1885/88530

Collections

ANU Research Publications

Source

Spectrochimica Acta: part A

Type

Journal article

Book Title

Entity type

Access Statement

License Rights

DOI

10.1016/S1386-1425(02)00293-7

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