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本文计算了不同温度下气相反应7/6 C_(60)=C_(70)的热力学函数,讨论了C_(60)与C_(70)之间相互转化的热力学条件.结果表明,温度高于2828K时气相中C_(60)比C_(70)稳定,温度低于2828K时气相中C_(70)比C_(60)稳定,解释了由石墨制备Fullerenes时,C_(60)和C_(70)含量不同的原因
In this paper, the thermodynamic functions of 7/6 C 60 (60) = C 70 at different temperatures were calculated and the thermodynamic conditions for the conversion between C 60 and C 70 were discussed. The results show that when the temperature is higher than 2828K The C_ (60) is more stable than C_ (70) in the gas phase and the C_ (70) is more stable than C_ (60) in the gas phase when the temperature is lower than 2828K. The C_ (60) and C_ Different reasons