Planar Quinary Cluster inside a Fullerene Cage: Synthesis and Structural Characterizations of Sc3NC@C80-Ih
Journal of the American Chemical Society2010Vol. 132(46), pp. 16362–16364
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Taishan Wang, Lai Feng, Jingyi Wu, Wei Xu, Junfeng Xiang, Kai Tan, Yihan Ma, Junpeng Zheng, Li Jiang, Xin Lü, Chunying Shu, Chunru Wang
Abstract
The endohedral fullerene Sc(3)NC@C(80)-I(h) has been synthesized and characterized; it has an unprecedented planar quinary cluster in a fullerene cage. It is also the first chemical compound in which the presence of an unprecedented (NC)(3-) trianion has been disclosed. The fascinating intramolecular dynamics in Sc(3)NC@C(80)-I(h) enables the whole molecule to display high polarity and promising ferroelectricity. This finding inspires the possibility that such a planar quinary cluster may be useful in constructing many other endohedral fullerenes.