Hydrogen-Bond Nature Studied by X-ray and Neutron Structure Analyses of MeHPLN at Room Temperature

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概要

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• The hydrogen-bonded material, 5-methyl-9-hydroxyphenalenon (MeHPLN), was studied by X-ray and neutron diffraction experiments at room temperature in order to understand the hydrogen-bond nature and the relation between the hydrogen-bonds and phase transitions. We found that there are obvious discrepancies between the positions of the hydrogen atoms obtained by the X-ray data and the ones obtained by the neutron data. This result indicates that the centers of the electron cloud of the hydrogen atoms are oft' from the nuclear positions. The discrepancy is markedly seen in the hydrogen atoms participating in the hydrogen-bonds. That is, there are local electronic dipolemoments in the hydrogen-bond region.

• 社団法人日本物理学会の論文
• 2003-11-15

著者

• SUGAWARA Tadashi

  Department of Basic Science, Graduate School of Arts and Science, The University of Tokyo

• KIMURA H.

  Institute for Materials Research, Tohoku University

• Kojima A

  Graduate School Of Science And Technology Faculty Of Science Chiba University

• KIYANAGI R.

  Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

• KOJIMA A.

  Graduate School of Science and Technology, Faculty of Science, Chiba University

• HAYASHIDE T.

  Graduate School of Science and Technology, Faculty of Science, Chiba University

• WATANABE M.

  Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

• NODA Y.

  Institute of Multidisciplinary Research for Advanced Materials, Tohoku University

• MOCHIDA T.

  Department of Chemistry, Faculty of Science, Toho University

• SUGAWARA T.

  Department of Basic Science, Graduate School of Arts and Science, The University of Tokyo

• KUMAZAWA S.

  High Energy Accelerator Research Organization, Institute of' Materials Structure Science, Neutron Sc

• Hayashide T

  Graduate School Of Science And Technology Faculty Of Science Chiba University

• Kimura H.

  Institute For Material Research Tohoku University

• Kumazawa S.

  High Energy Accelerator Research Organization Institute Of' Materials Structure Science Neutron

• Sugawara T

  Department Of Basic Science Graduate School Of Arts And Science The University Of Tokyo

• Kiyanagi R.

  Institute Of Multidisciplinary Research For Advanced Materials Tohoku University

• Mochida T.

  Department Of Chemistry Faculty Of Science Toho University

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