Hydrogen Atom of KH_2AsO_4 Determined by Neutron Diffraction Study

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概要

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• The crystal structure of KH_2AsO_4 (KDA) is refined at room temperature by neutron single-crystal structural analysis. The distance ROO between two oxygen atoms bonded by a hydrogen atom is slightly longer than that in KH_2PO_4 (KDP). A double-peak distribution of H with the splitting distance δ is visualized directly in the nuclear density map obtained by the maximum entropy method. The parameter δ of KDA is also larger than that of KDP, though the transition temperature of KDA is lower than that of KDP.

著者

• Mashiyama Hiroyuki

  Faculty Of Science Yamaguchi University

• Miyoshi Tatsuki

  Faculty of Science, Yamaguchi University, Yamaguchi 753-8512, Japan

• Akimoto Tomoshi

  Faculty of Science, Yamaguchi University, Yamaguchi 753-8512, Japan

関連論文

• Structural determination of atomic substitution ratio in (K_＜1-x＞Rb_x)_2SeO_4 mixed crystal system
• Dynamical Susceptibility of Proton in a Two-Morse Potential
• Hydrogen Atom of KH_2AsO_4 Determined by Neutron Diffraction Study
• Publisher's Note: ``Hydrogen Atom of KH2AsO4 Determined by Neutron Diffraction Study''
• Single-crystal neutron structural analyses of potassium dihydrogen phosphate and potassium dideuterium phosphate

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