Abstract

Abstract Gold fullerenes conform to the 2(N+1)2 skeletal electron counting rule, namely, they attain the maximum degree of kinetic stability when they have 2(N+1)2 mobile electrons. Icosahedral Au32 (N=3) is predicted to possess the highest kinetic stability with the largest minimum bond resonance energy. Thus, gold fullerenes are much less sensitive to local ring structure than carbon fullerenes. In such a situation, the 2(N+1)2 rule works as a rule of kinetic stability rather than as that of spherical aromaticity.

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