Thermodynamic Functions of CeBr3 and Congruently Melting M3CeBr6 Compounds (M = Rb, Cs)

The enthalpies of phase transitions and heat capacity were measured by differential scanning calorimetry for CeBr3 as well as the Rb3CeBr6 and Cs3CeBr6 congruently melting compounds. A polynomial heat capacity dependence with respect to temperature was used to fit the experimental data. By combining...

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Published inJournal of chemical and engineering data Vol. 53; no. 7; pp. 1453 - 1457
Main Authors Rycerz, L, Ingier-Stocka, E, Berkani, M, Gaune-Escard, M
Format Journal Article
LanguageEnglish
Published Washington, DC American Chemical Society 10.07.2008
Subjects
Chemical thermodynamics
Chemistry
Elements, mineral and organic compounds
Exact sciences and technology
General and physical chemistry
Thermodynamic properties
Ternary compound
Thermal properties
Phase transformation
Melting
Thermodynamic function
Heat capacity
Cesium Bromides
Lanthanide Compounds
Cerium Bromides
Rubidium Bromides
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Summary:The enthalpies of phase transitions and heat capacity were measured by differential scanning calorimetry for CeBr3 as well as the Rb3CeBr6 and Cs3CeBr6 congruently melting compounds. A polynomial heat capacity dependence with respect to temperature was used to fit the experimental data. By combining these results with the entropy at 298.15 K, temperatures, and enthalpies of phase transitions, the thermodynamic functions of CeBr3, Rb3CeBr6, and Cs3CeBr6 were calculated up to T = 1100 K.
Bibliography:ark:/67375/TPS-JSDNS70Q-M
istex:BE156B3C697F26776622B12C4F1126C05BC2C819
Financial support by the Polish Ministry of Science and Higher Education from budget on science in 2007−2010 under the grant N N204 4098 33 is gratefully acknowledged.
ISSN:0021-9568
1520-5134
DOI:10.1021/je700686m