【摘 要】
：
Since the experimental observation of C60,many very interesting cage-like structures have been proposed,such as M8C12(M=Ti,V,Zr,Hf,et al),Au20,Au32,Au42[1],
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Since the experimental observation of C60,many very interesting cage-like structures have been proposed,such as M8C12(M=Ti,V,Zr,Hf,et al),Au20,Au32,Au42[1],M@Sin(M=Transition Metals; n=14,15,16),Eu@Si20[2],Eu2@Si30[3],B80,and B40-/0.
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