Au51Ce14: enthalpy of formation

9 accepted literature formation-enthalpy value(s) (experimental 5, model 4); experimental median -49.5 kJ/mol-atom (n = 5).

Systems: Au–Ce

Literature values

Enthalpy of formation of Au51Ce14 reported in the literature (9)
ValuePhase as printedT (K)ClassMethodSystemSourceLocationQuote
-55 kJ/mol-atom ± 1.7αCe14Au511123experimentalCalorimetryAu–Ce[1] Moustaine 2016
cites Janghorban 1994
Table 2, p. 3, row 22
report
-53.2 kJ/mol-atom ± 1.9αCe14Au51298.15experimentalCalorimetryAu–Ce[1] Moustaine 2016
cites Janghorban 1994
Table 2, p. 3, row 24
report
-49.5 kJ/mol-atom ± 2.2Au51Ce14298.15experimentalcalorimetryAu–Ce[2] Dong 2013
cites Fitzner 1993
Table 4, p. 4, row 13
report
-49.5 kJ/mol-atom ± 2.2αCe14Au51298.15experimentalCalorimetryAu–Ce[1] Moustaine 2016
cites Fitzner 1993 doi
Table 2, p. 3, row 25
report
-44 kJ/mol-atom ± 5αCe14Au511223experimentalCalorimetryAu–Ce[1] Moustaine 2016
cites LomelloeTafin 2006
Table 2, p. 3, row 23
report
-57.71 kJ/mol-atomαCe14Au51298.15modelOptimizationAu–Ce[1] Moustaine 2016
cites Dong 2013 doi
Table 2, p. 3, row 26
report
-57.71 kJ/mol-atomAu51Ce14289modelAu–Ce[2] Dong 2013Table 4, p. 4, row 14
report
-55.99 kJ/mol-atomαCe14Au51298.15modelOptimizationAu–Ce[1] Moustaine 2016Table 2, p. 3, row 27
report
-53.1 kJ/mol-atomβCe14Au51298.15modelOptimizationAu–Ce[1] Moustaine 2016Table 2, p. 3, row 28
report

Uncertainty budget

Components kept separate, in the value's unit (literature SCHEMA.md, UNCERTAINTY_CALIBRATION.md): effective = max(sqrt(max(printed, reading, method)^2 + composition^2 + conversion^2), scatter). The method floor is the robust between-study scatter of the method class in ORCHID (calibrated) or a documented prior; printed values and printed uncertainties are unchanged.

Uncertainty budget of the literature values of Au51Ce14
ValueUnitPrintedReadingMethod (class, basis)CompositionScatterConversionEffective
-55kJ/mol-atom1.70.53.2 (solution_reaction_calorimetry, calibrated)3.2
-53.2kJ/mol-atom1.90.053.2 (solution_reaction_calorimetry, calibrated)3.2
-49.5kJ/mol-atom2.20.053.2 (solution_reaction_calorimetry, calibrated)3.2
-49.5kJ/mol-atom2.20.053.2 (solution_reaction_calorimetry, calibrated)3.2
-44kJ/mol-atom50.53.2 (solution_reaction_calorimetry, calibrated)5
-57.71kJ/mol-atom0.0053.9 (model_calculated, calibrated)3.9
-57.71kJ/mol-atom0.0053.9 (model_calculated, calibrated)3.9
-55.99kJ/mol-atom0.0053.9 (model_calculated, calibrated)3.9
-53.1kJ/mol-atom0.053.9 (model_calculated, calibrated)3.9

Sources

  1. D. Moustaine, K. Mahdouk, Thermodynamic reassessment of the cerium gold binary system, Journal of Alloys and Compounds 683, 599-609 (2016). doi:10.1016/j.jallcom.2016.05.116
  2. H.Q. Dong, X.M. Tao, T. Laurila, V. Vuorinen, M. Paulasto-Kröckel, Thermodynamic modeling of Au–Ce–Sn ternary system, Calphad 42, 38-50 (2013). doi:10.1016/j.calphad.2013.07.013