Methane in an Open-Cage [60]Fullerene

被引:61
|
作者
Whitener, Keith E., Jr. [1 ]
Cross, R. James [1 ]
Saunders, Martin [1 ]
Iwamatsu, Sho-ichi [2 ]
Murata, Shizuaki [2 ]
Mizorogi, Naomi [3 ]
Nagase, Shigeru [3 ]
机构
[1] Yale Univ, Dept Chem, New Haven, CT 06520 USA
[2] Nagoya Univ, Grad Sch Environm Studies, Chikusa Ku, Nagoya, Aichi 4648601, Japan
[3] Inst Mol Sci, Dept Theoret & Computat Mol Sci, Aichi 4448585, Japan
关键词
FULLERENE C-60; MOLECULES; ENCAPSULATION; H-2; DERIVATIVES; WATER;
D O I
10.1021/ja901383r
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
An endohedral methane complex of a fullerene, derivative is first synthesized by insertion of a methane molecule through the opening of an open-cage C-60 derivative. The trapped methane is confirmed by NMR spectroscopy and mass spectrometry. Both methane carbon and protons show remarkable upfield shifts in NMR, characteristic of a chemical species in a fullerene cage. CH4 protons appear as one equivalent signal in the H-1 NMR spectrum, suggesting that even methane can rotate in a C-60 cage.
引用
收藏
页码:6338 / +
页数:3
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