Аннотация:Experimental investigations of thermodynamic properties of trifluoromethylfullerenes were
significantly hampered by the fact that preparation of pure compounds in amounts required for thermodynamic studying is a rather difficult task. Nevertheless, the large-scale synthetic availability of S 6 -symmetrical C60(CF3)12 opens up possibility of its thermochemical studies and determination of thermodynamic functions of broad range of poly(trifluoromethyl)fullerenes by isodesmic reaction's method. Previously, we synthesized gramme-scale amount of S6-С60(CF 3)12 and determined its thermodynamic functions.
Here we reported the enthalpy of formation and C–CF3 bond dissociation enthalpies , for the
broad range of structurally characterized poly(trifluoromethyl)fullerenes C60(CF3)n , n=2–18, by method of isodesmic reactions.