Eh

(R„Ry), (xz,yz)

E'i

e2u

[xyz,z(x2-y2)]

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

Compatibility relations between the icosahedral groups, lh, I, and several point groups of lower symmetry."

h

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