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题名: Heat capacity and thermodynamic properties of N-(2-cyanoethyl) aniline (C9H10N2)
作者: Tian, QF;  Tan, ZC;  Shi, Q;  Xu, F;  Sun, LX;  Zhang, T
通讯作者: 谭志诚
关键词: N-(2-cyanoethyl)aniline ;  heat capacity ;  thermodynamic properties ;  adiabatic calorimetry
刊名: THERMOCHIMICA ACTA
发表日期: 2005-06-01
DOI: 10.1016/j.tca.2004.12.015
卷: 430, 期:1-2, 页:53-58
收录类别: SCI
文章类型: Article
部门归属: 15
项目归属: 1504
产权排名: 1;1
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Analytical ;  Chemistry, Physical
研究领域[WOS]: Chemistry
英文摘要: The low temperature heat capacities of N-(2-cyanoethyl)aniline were measured with an automated adiabatic calorimeter over the temperature range from 83 to 353 K. The temperature corresponding to the maximum value of the apparent heat capacity in the fusion interval, molar enthalpy and entropy of fusion of this compound were determined to be 323.33 +/- 0.13 K, 19.4 +/- 0.1 kJ mol(-1) and 60.1 +/- 0.1 J K-1 mol(-1), respectively. Using the fractional melting technique, the purity of the sample was determined to be 99.0 mol% and the melting temperature for the tested sample and the absolutely pure compound were determined to be 323.50 and 323.99 K, respectively. A solid-to-solid phase transition occurred at 310.63 +/- 0.15 K. The molar enthalpy and molar entropy of the transition were determined to be 980 +/- 5 J mol(-1) and 3.16 +/- 0.02 J K-1 mol(-1), respectively. The thermodynamic functions of the compound [H-T - H-298.15] and [S-T - S-298.(15)] were calculated based on the heat capacity measurements in the temperature range of 83-353 K with an interval of 5 K. (c) 2004 Elsevier B.V. All rights reserved.
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000229366600009
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/92401
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100864, Peoples R China

Recommended Citation:
Tian, QF,Tan, ZC,Shi, Q,et al. Heat capacity and thermodynamic properties of N-(2-cyanoethyl) aniline (C9H10N2)[J]. THERMOCHIMICA ACTA,2005,430(1-2):53-58.
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