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Molar heat capacity and thermodynamic properties of Lu(C5H9NO4)(C3H4N2)(6)(ClO4)(3)center dot 5HClO(4)center dot 10H(2)O
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
2013
DOI10.1007/s10973-012-2204-y
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
关键词[WOS]THERMAL-STABILITY ; CRYSTALLINE ; COMPLEX
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.
语种英语
WOS记录号WOS:000313207400125
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文献类型期刊论文
条目标识符http://cas-ir.dicp.ac.cn/handle/321008/137518
专题中国科学院大连化学物理研究所
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
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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.
APA Lv, X. -C.,Tan, Z. -C.,Gao, X. -H.,&Chen, P..(2013).Molar heat capacity and thermodynamic properties of Lu(C5H9NO4)(C3H4N2)(6)(ClO4)(3)center dot 5HClO(4)center dot 10H(2)O.JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,111(1),971-976.
MLA Lv, X. -C.,et al."Molar heat capacity and thermodynamic properties of Lu(C5H9NO4)(C3H4N2)(6)(ClO4)(3)center dot 5HClO(4)center dot 10H(2)O".JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY 111.1(2013):971-976.
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