The enthalpies of formation of 1,1-diphenylstannacyclopentane and 1,1-diphenylstannacyclohexane and some associated tin-carbon bond-enthalpy terms
作者:A.S Carson、E.H Jamea、P.G Laye、J.A Spencer
DOI:10.1016/0021-9614(88)90220-0
日期:1988.8
mol − 1; δ f H m ° (C 6 H 5 ) 2 Sn (CH 2 ) 5 ,} = (214.0±6.1)kJ · mol − 1; δ vap H m ° (C 6 H 5 ) 2 Sn (CH 2 ) 5 ,} = (75.0.0±1.5)kJ · mol − 1; The gas-phase molar enthalpies of formation have been used to obtain CSn bond-enthalpy terms and give information about strain in the ring systems.
摘要 两种化合物(C 6 H 5 ) 2 Sn(CH 2 ) 4 和(C 6 H 5 ) 2 Sn(CH 2 ) 5 在无液燃烧弹中燃烧,并通过喷出法测量了它们的蒸气压。δ f H m ° (C 6 H 5 ) 2 Sn (CH 2 ) 4 , cr } = (195.0±5.2)kJ · mol - 1; δ sub H m (C 6 H 5 ) 2 Sn (CH 2 ) 4 ,} = (106.8±5.5)kJ · mol - 1; δ f H m ° (C 6 H 5 ) 2 Sn (CH 2 ) 5 ,} = (214.0±6.1)kJ · mol - 1; δ vap H m ° (C 6 H 5 ) 2 Sn (CH 2 ) 5 ,} = (75.0.0±1.5)kJ · mol − 1; 气相摩尔生成焓已被用于获得 CSn 键-焓项并提供有关环系统中应变的信息。