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タイトル: | An Origin of Complicated Infrared Spectra of Perfluoroalkyl Compounds Involving a Normal Alkyl Group |
著者: | Hasegawa, Takeshi https://orcid.org/0000-0001-5574-9869 (unconfirmed) Shimoaka, Takafumi https://orcid.org/0000-0001-9131-9831 (unconfirmed) Tanaka, Yuki Shioya, Nobutaka https://orcid.org/0000-0002-2915-894X (unconfirmed) Morita, Kohei Sonoyama, Masashi Amii, Hideki Takagi, Toshiyuki Kanamori, Toshiyuki |
著者名の別形: | 長谷川, 健 下赤, 卓史 田中, 悠基 塩谷, 暢貴 |
発行日: | Jun-2015 |
出版者: | The Chemical Society of Japan |
誌名: | Chemistry Letters |
巻: | 44 |
号: | 6 |
開始ページ: | 834 |
終了ページ: | 836 |
抄録: | Perfluoroalkyl (Rf) compounds containing a normal alkyl group often yield highly complicated infrared (IR) spectra especially in the C–F stretching vibration (νC–F) region. To reveal the reason behind this, the IR p-polarized multiple-angle incidence resolution spectrometry (pMAIRS) is employed to measure a monolayer of CF3(CF2)9(CH2)3COOH deposited on a silicon substrate. The compound is known to spontaneously aggregate to form a molecular assembly with the closest packing, in which the molecules are oriented perpendicular to the substrate. The IR pMAIRS spectra apparently prove that the complexity of the νC–F region is due to the normal alkyl part directly connected to the Rf group because the carbons in the Rf group are vibrated as a coupled oscillator, and the oscillation of the alkyl part propagates to the Rf part along the molecular axis. |
著作権等: | © The Chemical Society of Japan This is not the published version. Please cite only the published version. この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。 |
URI: | http://hdl.handle.net/2433/218806 |
DOI(出版社版): | 10.1246/cl.150198 |
出現コレクション: | 学術雑誌掲載論文等 |
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