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Citation: Wang Wei, Li Laiming, Xi Shiquan. ON THE MOLECULAR CONFORMATIONS OF CETYLTRIMETHYLAMMONIUM BROMIDE IN AQUEOUS SOLUTION BY VIBRATIONAL SPECTROMETRY[J]. Chinese Journal of Applied Chemistry, ;1993, 10(3): 102-104. shu

ON THE MOLECULAR CONFORMATIONS OF CETYLTRIMETHYLAMMONIUM BROMIDE IN AQUEOUS SOLUTION BY VIBRATIONAL SPECTROMETRY

1.
Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 130022 Changchun

Received Date: 30 March 1992
Available Online: 25 June 1992

The Raman and FT-IR spectra of a 30% aqueous solution of cetyltrimethylammonium bromide have been investigated. A transition from coagel to micelle phase was observed at 300K. In the coagel phase, the hydrocarbon molecules exist in the bent end-methyl TG conformation with a few kink GTG' forms. In the micellar phase, the number of GTG' conformers increases, and the gauchetrans-ganche(GTG) and the doublegauche (CG) conformers exist in considerable concentrations.
- cetyltrimethylammonium bromide,
- thermotropic.phase transition,
- molecular conformation,
- vibrational spectra
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