Oops. Hasty error.
... the diameter of the C60 is about 7 angstrom. This is
actually smaller than the Bohr diameter (twice the Bohr radius). Since even
hydrogen is not encouraged to enter - there should be an ultra vacuum inside
C60.Actually there is plenty of room inside the C60. Missed a decimal point. There could still be a hyper-vacuum state inside... depending on fabrication parameters.
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