On the Structure of Graphite Fluoride

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書誌事項

公開日
1987-01
権利情報
  • http://onlinelibrary.wiley.com/termsAndConditions#vor
DOI
  • 10.1002/zaac.19875440102
公開者
Wiley

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説明

<jats:title>Abstract</jats:title><jats:p>The structure of graphite fluoride, (C<jats:sub>2</jats:sub>F)<jats:sub>n</jats:sub> has been investigated by X‐ray analyses, solid state <jats:sup>19</jats:sup>F‐n.m.r., and electron microscopy for well characterized and crystallized samples obtained from natural graphite or HOPG (highly oriented pyrolytic graphite). On the basis of the present results and structural properties derived from previous works, (C<jats:sub>2</jats:sub>F)<jats:sub>n</jats:sub> has a layered structure of stage‐2 which belongs hexagonal to the system with C<jats:sub>3h</jats:sub> symmetry. Detailed discussions on the symmetry both for (CF)<jats:sub>n</jats:sub> and (C<jats:sub>2</jats:sub>F)<jats:sub>n</jats:sub> have led to possible stacking sequences each unit cell of graphite fluoride should require. The ideal structure of (C<jats:sub>2</jats:sub>F)<jats:sub>n</jats:sub> is a hexagonal crystal lattice with a = b = 2.5 Å; c = 16.2 Å, and a plausible stacking sequence of AB/B′A′/ with I<jats:sub>c</jats:sub> (identity period) = 8.09 Å. The layered structure of (CF)<jats:sub>n</jats:sub> is of stage‐1 with A/A′/ stacking sequence.</jats:p>

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