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题名: Synthesis, Characterization, and Thermodynamic Study of the Solid State Coordination Compound Cu(Nic)(2)center dot H(2)O(s)
作者: Di You-Ying1;  Kong Yu-Xia1;  Wang Qing-Chun1;  Yang Wei-Wei1;  Tan Zhi-Cheng2
关键词: Cu(Nic)(2)center dot H(2)O(s) ;  room temperature solid phase synthesis ;  adiabatic calorimeter ;  low-temperature heat capacity ;  solid-liquid phase transition ;  thermodynamic function
刊名: CHINESE JOURNAL OF CHEMISTRY
发表日期: 2008-10-01
卷: 26, 期:10, 页:1764-1770
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Multidisciplinary
研究领域[WOS]: Chemistry
英文摘要: A novel compound-monohydrated cupric nicotinate was synthesized by the method of room temperature solid phase reaction and a ball grinder. FTIR, chemical and elemental analyses and X-ray powder diffraction techniques were applied to characterize the structure and composition of the complex. Low-temperature heat capacities of the solid coordination compound have been measured by a precision automated adiabatic calorimeter over the temperature range from 78 to 400 K. A melting process occurred in the temperature range of 326-346 K in the heat capacity curve, and the melting point, molar enthalpy and entropy of the fusion were determined to be T(fus)= (341.290 +/- 0.873) K, Delta(fus)H(m)=(13.582 +/- 0.012) kJ.mol(-1), Delta(fus)S(m)=(39.797 +/- 0.067) J.K(-1).mol(-1). The experimental values of the molar heat capacities in the temperature regions of 78-326 K and 346-400 K were respectively fitted to two polynomial equations. The polynomially fitted values of the molar heat capacities and fundamental thermodynamic functions of the sample relative to the standard reference temperature 298.15 K were calculated and tabulated at an interval of 5 K.
关键词[WOS]: TEMPERATURE HEAT-CAPACITIES ;  STANDARD REFERENCE MATERIAL ;  SAPPHIRE ALPHA-AL2O3 ;  ENTHALPY
语种: 英语
WOS记录号: WOS:000260702500002
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/141162
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.Liaocheng Univ, Coll Chem & Chem Engn, Liaocheng 252059, Shandong, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Liaoning, Peoples R China

Recommended Citation:
Di You-Ying,Kong Yu-Xia,Wang Qing-Chun,et al. Synthesis, Characterization, and Thermodynamic Study of the Solid State Coordination Compound Cu(Nic)(2)center dot H(2)O(s)[J]. CHINESE JOURNAL OF CHEMISTRY,2008,26(10):1764-1770.
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