(cr, 298.5 K)=−(478.25±2.13) kJ · mol −1 . The molar sublimation and vaporization enthalpies of t-2CCOL were measured with a heat-conduction differential microcalorimeter Δ cr g H ° m (319.5 K)=(98.56±0.52) kJ · mol −1 ; Δ f g H ° m (345.8 K)=(80.31±0.34) kJ · mol −1 . Vapour pressure of t-2CCOL was measured by the integral effusion Knudsen method in the temperature range 293 K to 325 K for crystal:
摘要 本文对反式
2-环己基环己醇(t-2CCOL)的热力学性质进行了综合研究。主题化合物是合成 2-苯基
苯酚的副产品。t-2CCOL的标准摩尔燃烧焓,用弹量热法测得,Δ c H ° m (cr, 298.15 K)=−(7388.05±1.37) kJ · mol -1 ,标准摩尔生成焓Δ f H ° m (cr, 298.5 K)=-(478.25±2.13) kJ·mol -1 。t-2CCOL的摩尔升华和汽化焓用热传导微量热计Δcr g H ° m (319.5 K)=(98.56±0.52) kJ·mol -1 ;Δ fg H ° m (345.8 K)=(80.31±0.34) kJ·mol -1 。t-2CCOL的蒸气压在晶体的293K至325K温度范围内通过积分射流Knudsen法测量:ln(p/Pa)=(37.30±0.22)-(11616±69)·T -1 ,并且在328