X線回折法による金属内包フラーレンの構造研究

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タイトル別名
  • X-ray Structure Determination of Endohedral Metallofullerenes.
  • Xセン カイセツホウ ニ ヨル キンゾク ナイホウ フラーレン ノ コウゾウ ケンキュウ

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抄録

Endohedral metallofullerenes are novel forms of fullerene-related materials, which encage metal atom inside a carbon cage. The recent X-ray structural studies of metallofullerenes, Sc@C82 and Sc2@C84, by the synchrotron powder diffraction experiment are presented to illustrate the usefulness of the MEM/Rietveld analysis, which is a self-consistent iterative way in combination with the MEM (Maximum Entropy Method) and Rietveld analyses. The obtained MEM charge densities clearly reveal the distinct features of encapsulated metals inside the fullerene cages as well as endohedral cage structures for Sc@C82 and Sc2@C84.

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