Low-frequency vibrations of crystalline α,α-trehalose dihydrate

Masae Takahashi, Yoshiyuki Kawazoe, Yoichi Ishikawa, Hiromasa Ito

研究成果: Article査読

22 被引用数 (Scopus)

抄録

Low-frequency vibrations below 200 cm-1 of crystalline α,α-trehalose dihydrate were observed by far-infrared spectroscopy. Peaks were classified to (1) strong and less sharp and (2) weak and sharp. By density functional theory calculations, two strong peaks at 67.7 and 75.9 cm-1 are assigned to the torsion modes of two hydroxymethyl groups combined with the hydrogen torsional motion of two water molecules. A sharp peak at 49.3 cm-1 appearing at 4 K is assigned to the translational motion of water molecule. Several sharp peaks of single crystal sample below 60 cm-1 showed polarization dependence at 4 K.

本文言語English
ページ(範囲)371-377
ページ数7
ジャーナルChemical Physics Letters
429
4-6
DOI
出版ステータスPublished - 2006 10 5

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

フィンガープリント 「Low-frequency vibrations of crystalline α,α-trehalose dihydrate」の研究トピックを掘り下げます。これらがまとまってユニークなフィンガープリントを構成します。

引用スタイル