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  1. D300 大学院環境学研究科
  2. D300a 雑誌掲載論文
  3. 学術雑誌

Hydrogen bonding and dynamics of methanol by high-pressure diamond-anvil cell NMR

http://hdl.handle.net/2237/7067
bcaddcea-0a02-4f6f-8460-532fb2fc0144
名前 / ファイル ライセンス アクション
JChemPhys_122_244509.pdf JChemPhys_122_244509.pdf (102.5 kB)
Item type 学術雑誌論文 / Journal Article(1)
公開日 2006-10-25
タイトル
タイトル Hydrogen bonding and dynamics of methanol by high-pressure diamond-anvil cell NMR
著者 Okuchi, Takuo

× Okuchi, Takuo

WEKO 14069

Okuchi, Takuo

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Cody, George D.

× Cody, George D.

WEKO 14070

Cody, George D.

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Mao, Ho-kwang

× Mao, Ho-kwang

WEKO 14071

Mao, Ho-kwang

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Hemley, Russell J.

× Hemley, Russell J.

WEKO 14072

Hemley, Russell J.

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権利
権利情報 Copyright (2005) American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics.
抄録
内容記述 Liquid methanol at densities up to ρ/ρ_0=1.7 was studied by NMR in a specially designed diamond-anvil cell. Methyl and hydroxyl resonances have been separately observed at pressures to 43 kbars which exceeds equilibrium freezing pressure of methanol. The chemical shift difference between methyl and hydroxyl protons increases nonlinearly with increasing density, indicating a noticeable decrease in hydrogen bond length. The analyses of spin-lattice relaxation rates of both hydroxyl and methyl protons indicate that compression enhances intermolecular proton exchange and selectively reduces motion of the hydroxyl protons. Collectively these observations reveal that hydrogen bonding interaction in liquid methanol noticeably increases with compression, inhibiting the liquid-solid transition even above the freezing pressure.
内容記述タイプ Abstract
出版者
出版者 American Institute of Physics
言語
言語 eng
資源タイプ
資源タイプresource http://purl.org/coar/resource_type/c_6501
タイプ journal article
DOI
関連識別子
識別子タイプ DOI
関連識別子 http://dx.doi.org/10.1063/1.1944732
ISSN
収録物識別子タイプ ISSN
収録物識別子 0021-9606
書誌情報 The Journal of Chemical Physics

巻 122, 号 24, p. 244509-244509, 発行日 2005-06-22
フォーマット
application/pdf
著者版フラグ
値 publisher
URI
識別子 http://hdl.handle.net/2237/7067
識別子タイプ HDL
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