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Heat Capacities and Thermodynamic Properties of (3,4-Dimethoxyphenyl) Acetonitrile (C10H11NO2)
Meng, Qing-Fen2; Zhang, Jing-Nan1,3; Tan, Zhi-Cheng1; Dong, Ya-Ping; Li, Wu2; Shi, Quan1,3
2009-02-01
发表期刊JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷号54期号:2页码:232-235
文章类型Article
摘要The heat capacities of (3,4-dimethoxyphenyl) acetonitrile were measured by a small sample precision automated adiabatic calorimeter over the temperature range from (78 to 399) K. A melting phase transition was observed in the experimental range. The melting temperature, the molar enthalpy, and entropy of the phase transition were determined to be (336.818 +/- 0.005) K, (24.72 +/- 0.14) kJ.mol(-1), and (73.40 +/- 0.40) J.K-1.mol(-1). The mole fraction purity of the sample used in the adiabatic calorimetric study was determined to be 0.99602 according to the van't Hoff equation. The thermodynamic functions, (H-T - H-298.15 K) and (S-T - S-298.15 K), were calculated. The standard molar energy and enthalpy of combustion have been determined, Delta U-c(m) (C10H11NO2, s) = -(5297.97 +/- 2.45) kJ.mol(-1) and Delta H-c(m)0 (C10H11NO2, s) = -(5301.07 +/- 2.45) kJ.mol(-1), by means of a precision oxygen-bomb combustion calorimeter at T = 298.15 K. The standard molar enthalpy of formation has been derived, Delta H-f(m)0 (C10H11NO2, s) = - (206.10 +/- 3.97) kJ.mol(-1).
WOS标题词Science & Technology ; Physical Sciences ; Technology
收录类别SCI
语种英语
WOS研究方向Chemistry ; Engineering
WOS类目Chemistry, Multidisciplinary ; Engineering, Chemical
WOS记录号WOS:000263371000010
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/5913
专题青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
作者单位1.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
3.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
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Meng, Qing-Fen,Zhang, Jing-Nan,Tan, Zhi-Cheng,et al. Heat Capacities and Thermodynamic Properties of (3,4-Dimethoxyphenyl) Acetonitrile (C10H11NO2)[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2009,54(2):232-235.
APA Meng, Qing-Fen,Zhang, Jing-Nan,Tan, Zhi-Cheng,Dong, Ya-Ping,Li, Wu,&Shi, Quan.(2009).Heat Capacities and Thermodynamic Properties of (3,4-Dimethoxyphenyl) Acetonitrile (C10H11NO2).JOURNAL OF CHEMICAL AND ENGINEERING DATA,54(2),232-235.
MLA Meng, Qing-Fen,et al."Heat Capacities and Thermodynamic Properties of (3,4-Dimethoxyphenyl) Acetonitrile (C10H11NO2)".JOURNAL OF CHEMICAL AND ENGINEERING DATA 54.2(2009):232-235.
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