Structure and stability of crystalline C60 · n-pentane clathrate

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Abstract

Clathrate type single crystals with the composition of C60(n-C5H12)0.88(C7H8)0.05 were grown from C60-toluene- petroleum ether solution. The structure of the crystals, determined by X-ray diffraction is b-face centered orthorhombic. No phase transition, corresponding to the orientational ordering is observed at 250 K by differential scanning calorimetry. Around 420 K the solvent molecules are released from the clathrate as determined by thermogravimetry-mass spectrometry. An irreversible phase transition is observed simultaneously with the evolution of solvents, resulting in the face centered cubic structure of pure C60.

Original languageEnglish
Pages (from-to)423-426
Number of pages4
JournalSolid State Communications
Volume83
Issue number6
DOIs
Publication statusPublished - Aug 1992

ASJC Scopus subject areas

  • Chemistry(all)
  • Condensed Matter Physics
  • Materials Chemistry

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