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|Title:||A comprehensive study of the heat capacity of CsF from T = 5 K to T = 1400 K|
|Authors:||BENES ONDREJ; SEDMIDUBSKY D.; BEILMANN MARKUS; VALU SORIN; CAPELLI Elisa; SALANNE Mathieu; NICHENKO SERGII; KONINGS Rudy|
|Citation:||JOURNAL OF CHEMICAL THERMODYNAMICS vol. 57 p. 92-100|
|Publisher:||ACADEMIC PRESS LTD- ELSEVIER SCIENCE LTD|
|JRC Publication N°:||JRC69984|
|Type:||Articles in Journals|
|Abstract:||In this study we present new experimental heat capacity data of solid and liquid phase of CsF covering the temperature range from 5 K to 1400 K. The low temperature data were obtained by adiabatic calorimetry and compared with the theoretical heat capacity computed from ab initio anharmonic crystal approximation. The absolute entropy at 298.15 K determined based on the presented results is 93.60 J/K/mol. The high temperature heat capacity was measured using a drop calorimeter and the data for the solid phase revealed significant excess properties. The data for the liquid phase were correlated with the molecular dynamic simulation obtaining a good agreement. The recommended molar heat capacity of the CsF solid phase is: Cp=24.291 + 6.4607E-2 T +589981/T2|
|JRC Institute:||Institute for Transuranium Elements|
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