・名古屋工業大学学術機関リポジトリは、名古屋工業大学内で生産された学術情報を電子的に収集・保存・発信するシステムです。 ・論文の著作権は、著者または出版社が保持しています。著作権法で定める権利制限規定を超える利用については、著作権者に許諾を得てください。 ・著者版フラグに「author」と記載された論文は、著者原稿となります。実際の出版社版とは、レイアウト、字句校正レベルの異同がある場合もあります。 ・Nagoya Institute of Technology Repository Sytem is built to collect, archive and offer electronically the academic information produced by Nagoya Institute of Technology. ・The copyright and related rights of the article are held by authors or publishers. The copyright owners' consents must be required to use it over the curtailment of copyrights. ・Textversion "Author " means the article is author's version. Author version may have some difference in layouts and wordings form publisher version.
The infrared and Raman spectra of potassium trans-4-hexenoate (PT4H) have been measured in the crystalline state and in aqueous solution. Normal coordinate calculations have been carried out to explain the vibrational spectra. For crystalline PT4H it is concluded from the vibrational spectra in the 700-100 cm-1 region that the trans-skew (TS) and trans-cis (TC) forms coexist at 300 K and the TS form is stabilized at 100 K. For the PT4H ions in aqueous solution the TS form was found to be predominantly stabilized on micellization. In particular, the Raman spectra of a PT4H-H2O solution in the 1700-700 cm-1 range were investigated at various concentrations, and it was found that the stabilization of the TS form is reflected in vibrational modes characteristic of the -CH=CH- and CH2 groups. The difference Fourier-transform infrared (F.t.i.r.) spectra of PT4H-H2O (or PT4H-D2O) solutions have also been measured at various concentrations. The infrared absorption spectra of water were successfully cancelled out in the 1500-900 cm-1 region for H2O and in the 1700-1300 and 1000-700 cm-1 regions for D2O. The concentration dependence of the difference F.t.i.r. spectrum was used to investigate conformational changes upon micellization.
Raman spectra of potassium trans-4-hexenoate and conformational change on micellization
本文_fulltext
(899.5KB)
