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Molar heat capacity and thermodynamic properties of crystalline [Nd(Glu)(H2O)(5)(Im)(3)](ClO4)(6)center dot 2H(2)O
Lv, X.-C.1,2; Tan, Z.-C.1; Gao, X.-H.2; Shi, Q.; Sun, L.-X.1; Tan ZC(谭志诚)
KeywordAdiabatic Calorimetry Glass Transition Low-temperature Heat Capacity [Nd(Glu)(H2o)(5)(Im)(3)](Clo4)(6)Center Dot 2h(2)o Phase Transition Thermal Analysis
Source PublicationJOURNAL OF THERMAL ANALYSIS AND CALORIMETRY
2009-02-01
DOI10.1007/s10973-008-9243-4
Volume95Issue:2Pages:387-392
Indexed BySCI ; ISTP
SubtypeArticle
Department15
Funding Project1504
Contribution Rank1;2
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Analytical ; Chemistry, Physical
WOS Research AreaChemistry
WOS KeywordTHERMAL-ANALYSIS ; TEMPERATURE ; COMPLEXES ; ACID
AbstractA complex of neodymium perchloric acid coordinated with L-glutamic acid and imidazole, [Nd(Glu)(H2O)(5)(Im)(3)](ClO4)(6)center dot 2H(2)O was synthesized and characterized by IR and elements analysis for the first time. The thermodynamic properties of the complex were studied with an automatic adiabatic calorimeter and differential scanning calorimetry (DSC). Glass transition and phase transition were discovered at 221.83 and 245.45 K, respectively. The glass transition was interpreted as a freezing-in phenomenon of the reorientational motion of ClO (4) (-) ions and the phase transition was attributed to the orientational order/disorder process of ClO (4) (-) ions. The heat capacities of the complex were measured with the automatic adiabatic calorimeter 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 in nitrogen atmosphere was studied by thermogravimetric (TG) analysis and differential scanning calorimetry (DSC).
Language英语
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WOS IDWOS:000264133800009
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://cas-ir.dicp.ac.cn/handle/321008/101841
Collection中国科学院大连化学物理研究所
Corresponding AuthorTan ZC(谭志诚)
Affiliation1.Chinese Acad Sci, Dalian Inst Chem Phys, Thermochem Lab, Dalian 116023, Peoples R China
2.Liaoning Shihua Univ, Sch Chem & Mat Sci, Fushun 113001, Liaoning, 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 crystalline [Nd(Glu)(H2O)(5)(Im)(3)](ClO4)(6)center dot 2H(2)O[J]. JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,2009,95(2):387-392.
APA Lv, X.-C.,Tan, Z.-C.,Gao, X.-H.,Shi, Q.,Sun, L.-X.,&谭志诚.(2009).Molar heat capacity and thermodynamic properties of crystalline [Nd(Glu)(H2O)(5)(Im)(3)](ClO4)(6)center dot 2H(2)O.JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY,95(2),387-392.
MLA Lv, X.-C.,et al."Molar heat capacity and thermodynamic properties of crystalline [Nd(Glu)(H2O)(5)(Im)(3)](ClO4)(6)center dot 2H(2)O".JOURNAL OF THERMAL ANALYSIS AND CALORIMETRY 95.2(2009):387-392.
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