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题名: Synthesis, crystal structure and thermochemistry of the coordination compound of pyridine-2,6-dicarboxylic acid with barium ion
作者: Zhang, Yu-Han1;  Di, You-Ying1;  Tan, Zhi-Cheng2;  Dou, Jian-Min1
关键词: Complex of pyridine-2,6-dicarboxylic acid with Ba2+ ion ;  Crystal structure ;  Low-temperature heat capacity ;  Thermodynamic function ;  Standard molar enthalpies of dissolution ;  Standard molar enthalpy of formation
刊名: THERMOCHIMICA ACTA
发表日期: 2014-01-10
DOI: 10.1016/j.tca.2013.10.034
卷: 575, 页:173-178
收录类别: SCI
文章类型: Article
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 complex of pyridine 2,6-dicarboxylate with Ba2+ ion Ba(HDPC)(2)center dot 2H(2)O(s) was synthesized. X-ray crystallography was applied to characterize the crystal structure of the complex. Low-temperature heat capacities of the complex were measured with an automated adiabatic calorimeter in the temperature range from 78 to 360 K A polynomial equation of experimental molar heat capacities as a function of the temperature was obtained by the least-squares method. The smoothed heat capacities and thermodynamic functions of the complex were calculated based on the fitted polynomial equation. In addition, the standard molar enthalpies of dissolution for the reactants and products of the synthesis reaction in a selected solvent were measured by an isoperibol solution-reaction calorimeter, and the standard molar enthalpy of formation of the title complex was calculated as - (2993.0 +/- 3.0) kJ mol(-1) by the Hess thermochemical cycle. Furthermore, the reliability of the designed thermochemical cycle was verified by UV-vis spectroscopy. (C) 2013 Elsevier B.V. All rights reserved.
语种: 英语
WOS记录号: WOS:000329889500023
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/143180
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, Shandong Prov Key Lab Chem Energy Storage & Novel, Liaocheng 252059, Shandong, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China

Recommended Citation:
Zhang, Yu-Han,Di, You-Ying,Tan, Zhi-Cheng,et al. Synthesis, crystal structure and thermochemistry of the coordination compound of pyridine-2,6-dicarboxylic acid with barium ion[J]. THERMOCHIMICA ACTA,2014,575:173-178.
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