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题名: Molar heat capacity and thermodynamic properties of Lu(C5H9NO4)(C3H4N2)(6)(ClO4)(3)center dot 5HClO(4)center dot 10H(2)O
作者: Lv, X. -C.1;  Tan, Z. -C.2, 3, 4;  Gao, X. -H.1;  Chen, P.1
关键词: Lu(C5H9NO4)(C3H4N2)(6)(ClO4)(3)center dot 5HClO(4)center dot 10H(2)O ;  Adiabatic calorimetry ;  Low-temperature heat capacity ;  Phase transition ;  Thermal analysis
刊名: JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
发表日期: 2013
DOI: 10.1007/s10973-012-2204-y
卷: 111, 期:1, 页:971-976
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: A complex of Lutetium perchloric acid coordinated with l-glutaminic acid (C5H9NO4) and imidazole (C3H4N2), Lu(C5H9NO4)(C3H4N2)(6)(ClO4)(3)center dot 5HClO(4)center dot 10H(2)O was synthesized and characterized. Thermodynamic properties of the complex were studied with an adiabatic calorimeter (AC) from 80 to 390 K and differential scanning calorimetry (DSC) from 100 to 300 K. Two thermal abnormalities were discovered at 220.34 and 248.47 K, which were deduced to be phase transitions. One was interpreted as a freezing-in phenomenon of the reorientational motion of ClO4 (-) ions and the other was attributed to the orientational order/disorder process of ClO4 (-) ions. The low-temperature molar heat capacities were measured by AC and the thermodynamic functions [H (T) - H (298.15)] and [S (T) - S (298.15)] were derived in the temperature range from 80 to 390 K with temperature interval of 5 K. Thermal decomposition behavior of the complex was studied by thermogravimetric analysis and DSC.
关键词[WOS]: THERMAL-STABILITY ;  CRYSTALLINE ;  COMPLEX
语种: 英语
WOS记录号: WOS:000313207400125
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/137518
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.Liaoning Shihua Univ, Sch Chem & Mat Sci, Fushun 113001, Peoples R China
2.Chinese Acad Sci, Dalian Inst Chem Phys, Div Energy Storage, Dalian 116023, Peoples R China
3.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
4.Chinese Acad Sci, Dalian Inst Chem Phys, China Ion Liquid Lab, Dalian 116023, Peoples R China

Recommended Citation:
Lv, X. -C.,Tan, Z. -C.,Gao, X. -H.,et al. Molar heat capacity and thermodynamic properties of Lu(C5H9NO4)(C3H4N2)(6)(ClO4)(3)center dot 5HClO(4)center dot 10H(2)O[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2013,111(1):971-976.
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