Structural Study of Solid Hydrogen Sulfide under High Pressure.

DOI Web Site 参考文献7件
  • Fujihisa H.
    National Institute of Materials and Chemical Research
  • Aoki K.
    National Institute of Materials and Chemical Research
  • Yamawaki H.
    National Institute of Materials and Chemical Research
  • Sakashita M.
    National Institute of Materials and Chemical Research

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タイトル別名
  • Structural Study of Solid Hydrogen Sulf

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An x-ray powder diffraction experiment on solid H2S was performed with a diamond anvil cell and an image plate to determine the unknown structures of phases I' and IV up to 25 GPa at room temperature. The structures of phases I' and IV were found to be cubic T4 - P213 and tetragonal D204h -I41/acd, respectively. In phase I', the H2S molecule had 6-fold asymmetric coordination which brought a displacement from face-center. In phase IV, the molecules were found to form spiral chains along the c axis with partial loss of molecularity. The chains were linked by hydrogen bonds.

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