(13)C NMR chemical shifts of Sc(3)N@C(80) were computed using quantum Born-Oppenheimer molecular dynamics simulations, followed by DFT-NMR calculations on a large series of snapshots. Whereas calculations of the C(3) static gas-phase optimized structure fail to reproduce the two-line experimental spectrum, long-time molecular dynamics simulations quantitatively reproduce the experiment.
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Heine et al. (2004) studied this question.