Abstract
The permutation-inversion symmetry group of C70 fullerite in its high-temperature phase is constructed with allowance for the rotation of its constituent molecules, and the local symmetry group of a rotating molecule in the crystal is identified. Irreducible representations of these groups are constructed that are compatible with the principle of wave-function symmetry with respect to permutations of identical nuclei. A group-theoretic classification is made of the quantum states of a rotating molecule and of the crystal in the high-temperature phase of C70 fullerite. Selection rules are derived for electronic, vibrational, and rotational spectra in terms of irreducible representations of the permutation-inversion symmetry group of the crystal.
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Fiz. Tverd. Tela (St. Petersburg) 39, 1895–1901 (October 1997)
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Smirnov, V.P., Zubok, D.A. Permutation-inversion symmetry of C70 fullerite in the high-temperature phase. Phys. Solid State 39, 1696–1701 (1997). https://doi.org/10.1134/1.1129890
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DOI: https://doi.org/10.1134/1.1129890