バックミンスターフルレレンの自由分子の結合長,c60,ガス相電子微分から
Science (New York, N.Y.)
|October 18, 1991
まとめ
電子 difrractionは,ガスフルレンのicosahedral対称性を明らかにした C ((60). 結合長と分子直径が正確に決定され,フルレンの構造と特性についての洞察を提供しました.
科学分野:
- 物理化学 物理化学について
- マテリアルサイエンス 材料科学
- ナノテクノロジー ナノテクノロジー
背景:
- フルレネ (C(60) は,球形の構造を持つユニークな炭素アロトロップです.
- フラーレンの正確な分子幾何学を理解することは,その応用にとって極めて重要です.
研究 の 目的:
- 電子 difraktion を用いて,ガス型フルレンの分子構造を決定する.
- 原子間結合長と分子直径を正確に測定するために.
主な方法:
- 電子 difraktion パターンは, 730°Cで揮発した気体フルレンC ((60) から得られた.
- 放射分布曲線は,分散した強度データから計算された.
- イコサヘドール対称性に基づくモデルの最小四角精細化が行われました.
主要な成果:
- 実験データは,フリーフルレンのC ((60)) 分子のイコサヘドール対称性を強く支持した.
- 5つ組のリング内の熱的平均結合長さは1.458 6 Å.と決定されました.
- 5つの環を結びつける結合の長さは1.401(10) Åで,分子直径は7.113(10) Åであることが判明しました.
結論:
- この研究は,ガスC60) フラーレンのイコサヘドール構造を確認した.
- 精密な結合長度測定は,理論的および実験的なフルレン研究に貴重なデータを提供します.
- この発見は,フルレンの独特の化学的および物理的性質のより深い理解に貢献します.
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