directly from I — 5 to point group D5), we obtain rt=5 -» H + F1 + F2 -»• A, + 2A2 + 2E, + 2E2 (4.2)
where the irreducible representations of group I go into irreducible representations of group D5
using the results of Table 4.15. Based on these symmetry considerations, the filling of the electronic levels for the rugby ball-shaped C70 molecule is discussed further in §12.1.2.
Symmetry considerations also play a major role in classifying the normal modes of the C70 molecule. To find the symmetries of the normal mode
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