Fullerene C-70, Toluene 1-1 Solvate - Structural And Thermodynamic Evidences
CHEMICAL PHYSICS LETTERS(1993)
摘要
X-ray diffraction and thermodynamic measurements show that crystalline fullerene C70 obtained from toluene solutions is a C70, toluene 1: 1 solvate. Its structure is orthorhombic with space group Pbca (a= 21.075 angstrom, b= 32.990 angstrom, c= 10.844 angstrom). The evolution of this solvate towards the face-centered cubic and hexagonal phases of pure C70 is described and a hierarchy of relative stabilities of these latter phases is tentatively proposed.
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