Continuous symmetry of C60 fullerene and its derivatives

Details Continuous symmetry of C60 fullerene and its derivatives Continuous symmetry of C60 fullerene and its derivatives

2010-05-11

arxiv.org/abs/1005.1829v1

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

11 pages. 5 figures. 6 tables

Scientific paper

Conventionally, the Ih symmetry of fullerene C60 is accepted which is supported by numerous calculations. However, this conclusion results from the consideration of the molecule electron system, of its odd electrons in particular, in a close-shell approximation without taking the electron spin into account. Passing to the open-shell approximation has lead to both the energy and the symmetry lowering up to Ci. Seemingly contradicting to a high-symmetry pattern of experimental recording, particularly concerning the molecule electronic spectra, the finding is considered in the current paper from the continuous symmetry viewpoint. Exploiting both continuous symmetry measure and continuous symmetry content, was shown that formal Ci symmetry of the molecule is by 99.99% Ih. A similar continuous symmetry analysis of the fullerene monoderivatives gives a reasonable explanation of a large variety of their optical spectra patterns within the framework of the same C1 formal symmetry exhibiting a strong stability of the C60 skeleton.

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