Vibrational spectra of C60 hydrofullerite prepared under high hydrogen pressureстатья
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Аннотация:C-60 hydrofullerite prepared at a hydrogen pressure of 6 kbar, T = 620 K over 24 hours and quenched to 80 K, has a bce lattice of C60Hx molecules, x approximate to 24, where the interstitial H-2 molecules are dissolved in the ratio 1.4 mol . H-2/mol . C60Hx. Interstitial hydrogen leaves the sample on annealing at 300 K. Vibrational spectra measured at 85 K in quenched and annealed hydrofullerite show a marked change in the intramolecular modes compared to pure C-60 Interstitial hydrogen contributes to the rotational modes of the H-2 molecule.