Thermochemical study of 2- and 3-alkyl substituted thiophenes

M. A. V. Ribeiro da Silva; Ana Filipa L. O. M. Santos

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Thermochemical study of 2- and 3-alkyl substituted thiophenes

机译：2-和3-烷基取代的噻吩的热化学研究

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The standard (p 0=0.1 MPa) molar enthalpies of formation, in the condensed phase, of nine linear-alkyl substituted thiophenes, six in position 2- and three in position 3-, at T=298.15 K, were derived from the standard massic energies of combustion, in oxygen, to yield CO2(g) and H2SO4·115H2O(aq), measured by rotating-bomb combustion calorimetry. The standard molar enthalpies of vaporization of these compounds were measured by high temperature Calvet Microcalorimetry, so their standard molar enthalpies of formation, in the gaseous phase, were derived.

机译：在缩合相中，九个直链烷基取代的噻吩在T = 298.15 K时形成标准的（p 0 = 0.1 MPa）摩尔焓，这是在2-位上有六个，在3-位上有三个由氧气的标准燃烧质量能得出的，通过旋转炸弹燃烧测量得到CO2 （g）和H2 SO4 ·115H2 O（aq）量热法。通过高温Calvet微量量热法测量这些化合物的蒸发标准摩尔焓，因此可以推导出它们在气相中形成的标准摩尔焓。

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来源
《Journal of Thermal Analysis and Calorimetry》 |2007年第1期|7-17|共11页
作者
M. A. V. Ribeiro da Silva; Ana Filipa L. O. M. Santos;
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作者单位

Centro de Investigação em Química Department of Chemistry Faculty of Science University of Porto Porto Portugal 4169-007 Rua do Campo Alegre 687;

Centro de Investigação em Química Department of Chemistry Faculty of Science University of Porto Porto Portugal 4169-007 Rua do Campo Alegre 687;

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正文语种 eng
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关键词
2-alkylthiophenes; 3-alkylthiophenes; Calvet microcalorimetry; combustion calorimetry; enthalpy of combustion; enthalpy of formation; enthalpy of vaporization; thiophene;

机译：2-烷基噻吩;3-烷基噻吩;Calvet微量量热法;燃烧量热法;燃烧焓;形成焓;汽化焓;噻吩;

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1. Thermochemical study of 2-and 3-alkyl substituted thiophenes [J] . da Silva MAVR, Santos AFLOM Journal of thermal analysis and calorimetry . 2007,第1期

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Thermochemical study of 2- and 3-alkyl substituted thiophenes

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