Enthalpies of combustion of 2,2′,6,6′-tetraethylazobenzeneN,N-dioxide, 2,4,6-tri(1,1-dimethylethyl)nitrosobenzene, and 2,4,6-tri(1,1-dimethylethyl)nitrobenzene
作者:W.E. Acree Jr.、S.G. Bott、Sheryl A. Tucker、Maria D.M.C. Ribeiro da Silva、M.A.R. Matos、G. Pilcher
DOI:10.1006/jcht.1995.0151
日期:1995.12
standard (p∘= 0.1 MPa) molar enthalpies of combustion at the temperatureT= 298.15 K were measured by static-bomb calorimetry for crystalline 2,2′6,6′-tetraethylazobenzeneN,N-dioxide, 2,6-(C2H5)2C6H3N(O)·}2; 2,4,6-tri(1,1-dimethylethyl)nitrosobenzene, 2,4,6-CH3C(CH3)2}3C6H2NO; and 2,4,6-tri(1,1-dimethylethyl)nitrobenzene, 2,4,6- CH3C(CH3)2}3C6H2NO2. The standard molar enthalpies of sublimation atT= 298
标准 (p∘= 0.1 MPa) 摩尔燃烧焓在温度 T = 298.15 K 下通过静态弹量热法测量结晶 2,2'6,6'-四乙基偶氮苯 N,N-二氧化物 2,6-(C2H5 )2C6H3N(O)·}2;2,4,6-三(1,1-二甲基乙基)亚硝基苯,2,4,6-CH3C(CH3)2}3C6H2NO;和 2,4,6-三(1,1-二甲基乙基)硝基苯,2,4,6- CH3C(CH3)2}3C6H2NO2。三(1,1-二甲基乙基)化合物在T = 298.15 K时的标准升华摩尔焓通过微量热法测量。[表] 2,6-(C2H5)2C6H3N(O)·}2在T=298.15K时分解形成2,6-(C2H5)2C6H3NO(g)的标准摩尔焓是通过微量热法测定的:ΔdecHom/kJ· mol−1) = (200.6 ± 5.6)。应用于亚硝基苯和硝基苯衍生物的基团可加性方案表明 2,4,6-tri(1