The smallest fullerene

Martin F. Jarrold

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The smallest fullerene

机译：最小的富勒烯

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Aflat graphite sheet can be made from carbon atoms arranged in hexagons. Inserting pentagons into the sheet will cause it to pucker and curve; adding just twelve pentagons creates enough curvature, in principle, to make the sheet wrap up and link together to form a spherical shell (a fullerene) or even a closed tube. The deciding factor is how the pentagons and hexagons are arranged. The archetypical fullerene, C_(60), is a sphere with all 12 pentagons evenly distributed over its surface, each one completely surrounded by a ring of hexagons. This highly symmetric geometry is possible only with precisely 60 atoms. Some other fullerenes have icosahedral (12-fold) symmetry, but it is quite rare.

机译：扁平石墨片可由排列成六边形的碳原子制成。将五边形插入板材会使其起皱并弯曲；原则上，仅添加十二个五边形就会产生足够的曲率，以使板材包裹起来并链接在一起，从而形成球形外壳（富勒烯）甚至是封闭的管子。决定因素是五边形和六边形的排列方式。原型富勒烯C_（60）是一个球体，所有12个五边形均匀地分布在其表面上，每个五边形完全被六边形环包围。这种高度对称的几何形状只有精确地有60个原子才有可能。其他一些富勒烯具有二十面体（12倍）对称性，但很少见。

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《Nature》 |2000年第6800期|p.26-27|共2页
作者
Martin F. Jarrold;
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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
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正文语种 eng
中图分类自然科学总论;
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机译：散装异质结太阳能电池：对聚合物 - 富勒烯混合和包装和富勒烯 - 富勒烯连接网络上的微观结构改性对聚合物主链的影响

The smallest fullerene

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