About: A comprehensive study of the heat capacity of CsF from T=5 K to T=1400 K

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	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 harmonic crystal approximation. The absolute entropy at T = 298.15 K determined based on the presented results is 93: 60 J . K-1 . mol(-1). 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: C-p,C-m (J . K-1 .mol(-1)) 24.291 + 6.4607 . 10(-2) . (T/K) + 589981 . (T/K)(-2) J . K-1 . mol(-1) and the one of the liquid phase was determined as: C-p,C-m 70.56 J . K-1 . mol(-1). From the calorimetric results the enthalpy of fusion of CsF was determined as: Delta H-fus = 22.1 +/- 2.0 kJ . mol(-1). (C) 2012 Published by Elsevier Ltd. 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 harmonic crystal approximation. The absolute entropy at T = 298.15 K determined based on the presented results is 93: 60 J . K-1 . mol(-1). 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: C-p,C-m (J . K-1 .mol(-1)) 24.291 + 6.4607 . 10(-2) . (T/K) + 589981 . (T/K)(-2) J . K-1 . mol(-1) and the one of the liquid phase was determined as: C-p,C-m 70.56 J . K-1 . mol(-1). From the calorimetric results the enthalpy of fusion of CsF was determined as: Delta H-fus = 22.1 +/- 2.0 kJ . mol(-1). (C) 2012 Published by Elsevier Ltd. (en)
Title	A comprehensive study of the heat capacity of CsF from T=5 K to T=1400 K A comprehensive study of the heat capacity of CsF from T=5 K to T=1400 K (en)
skos:prefLabel	A comprehensive study of the heat capacity of CsF from T=5 K to T=1400 K A comprehensive study of the heat capacity of CsF from T=5 K to T=1400 K (en)
skos:notation	RIV/60461373:22340/13:43897130!RIV15-MSM-22340___
http://linked.open...avai/riv/aktivita	I
http://linked.open...avai/riv/aktivity	I
http://linked.open...iv/cisloPeriodika	pp. 1-558
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Sedmidubský, David
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Vysoká škola chemicko-technologická v Praze / Fakulta chemicko-inženýrská
http://linked.open...dnocenehoVysledku	58528
http://linked.open...ai/riv/idVysledku	RIV/60461373:22340/13:43897130
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Fission product; Fluorides; Enthalpy; Heat capacity (en)
http://linked.open.../riv/klicoveSlovo	Enthalpy Fluorides Fission product Heat capacity
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[55808DFC89CF]
http://linked.open...i/riv/nazevZdroje	Journal of Chemical Thermodynamics
http://linked.open...in/vavai/riv/obor	CA
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	8 (xsd:int)
http://linked.open...UplatneniVysledku	2013
http://linked.open...v/svazekPeriodika	57
http://linked.open...iv/tvurceVysledku	Beneš, Ondřej Sedmidubský, David Beilmann, M. Capelli, E. Konings, RJM Nichenko, S. Salanne, M. Valu, OS
http://linked.open...ain/vavai/riv/wos	000311429700014
issn	0021-9614
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.jct.2012.08.003
http://localhost/t...ganizacniJednotka	22340

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