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题名: Thermodynamic studies of crystalline 2-amino-5-nitropyridine(C5H5N3O2)
作者: Shi, Quan;  Tan, Zhi-Cheng;  Di, You-Ying;  Tong, Bo;  Wang, Shao-Xu;  Li, Yan-Sheng
通讯作者: 谭志诚
关键词: 2-amino-5-nitropyridine ;  heat capacity ;  thermodynamic function ;  adiabatic calorimetry ;  standard molar enthalpy of combustion ;  standard molar ;  enthalpy of formation ;  TG ;  DSC
刊名: THERMOCHIMICA ACTA
发表日期: 2007-10-25
DOI: 10.1016/j.tca.2007.04.006
卷: 463, 期:1-2, 页:6-9
收录类别: ISTP ;  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: Low-temperature heat capacity C-p.m of 2-amino-5-nitropyridine (C5H5N3O2; CAS 4214-76-0) was measured in the temperature range from 80 to 396 K with a high precision automated adiabatic calorimeter. No phase transition or thermal anomaly was observed in this range. The thermodynamic functions [HT - H298.1-5] and [S-T - S-298.15] were calculated in the range from 80 to 395 K based on the heat capacity data. The standard molar energy and standard molar enthalpy of combustion have been determined, Delta U-c (C5H5N3O2, s) = -(2676.26 +/- 0.24) U mol(-1) and Delta H-c(m)degrees (C5H5N3O2, s) = -(2673.16 +/- 0.24) U mol(-1), by means of a precision oxygen-bomb combustion calorimeter at T= 298.15 +/- 0.001 K. The standard molar enthalpy of formation has been derived, Delta H-f(m)degrees, (C5H5N3O2, s) = -(8.97 +/- 0.99) kJ mol(-1), from the standard molar enthalpy of combustion in combination with other auxiliary thermodynamic quantities through a Hess thermochemical cycle. The thermodynamic properties were further investigated through differential scanning calorimeter (DSC) and the thermogravimetric (TG) analysis. (C) 2007 Elsevier B.V. All rights reserved.
关键词[WOS]: HEAT-CAPACITY
语种: 英语
原文出处: 查看原文
WOS记录号: WOS:000250353500003
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/99701
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.Liaocheng Univ, Coll Chem & Chem Engn, Liaocheng 252059, Peoples R China
3.Dalian Jiaotong Univ, Coll Environm Sci & Engn, Dalian 116028, Peoples R China
4.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China

Recommended Citation:
Shi, Quan,Tan, Zhi-Cheng,Di, You-Ying,et al. Thermodynamic studies of crystalline 2-amino-5-nitropyridine(C5H5N3O2)[J]. THERMOCHIMICA ACTA,2007,463(1-2):6-9.
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