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  • 1 Institute of Vacuum Technology ul. Dluga 44/50 00-241 Warsaw ul. Dluga 44/50 00-241 Warsaw
  • | 2 Institute of Physics PAS al. Lotników 32/46 02-668 Warsaw al. Lotników 32/46 02-668 Warsaw
  • | 3 Warsaw University Department of Chemistry ul. L. Pasteura 1 02-093 Warsaw Poland ul. L. Pasteura 1 02-093 Warsaw Poland
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Abstract  

The crystalline solvates containing fullerenes and (di)methylnaphthalenes were investigated by thermal analyses and X-ray diffraction methods. It was found that C60 with (di)methylnaphthalenes forms two types of stable solvates: either at the molar ratio 1:2 decomposing at temperatures close to 100C or at 1:1 molar ratio decomposing in the temperature range 120–214C. Crystalline lattice and thermal stability of the solvates depends on the structure of the solvent molecules. The strong solute-solvent interaction is also manifested by the modification of the C60 absorption spectra in solution. The results are discussed using semiempirical quantum chemistry methods.

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