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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
KeywordLu(C5h9no4)(C3h4n2)(6)(Clo4)(3)Center Dot 5hclo(4)Center Dot 10h(2)o Adiabatic Calorimetry Low-temperature Heat Capacity Phase Transition Thermal Analysis
Source PublicationJOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
2013
DOI10.1007/s10973-012-2204-y
Volume111Issue:1Pages:971-976
Indexed BySCI
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Analytical ; Chemistry, Physical
WOS Research AreaChemistry
WOS KeywordTHERMAL-STABILITY ; CRYSTALLINE ; COMPLEX
AbstractA 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.
Language英语
WOS IDWOS:000313207400125
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/137518
Collection中国科学院大连化学物理研究所
Affiliation1.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
GB/T 7714
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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