Ge10Yb11: enthalpy of formation

6 accepted literature formation-enthalpy value(s) (experimental 2, model 3, DFT 1); experimental median -69.9 kJ/mol-atom (n = 2).

Systems: Ge–Yb

Literature values

Enthalpy of formation of Ge10Yb11 reported in the literature (6)
ValuePhase as printedT (K)ClassMethodSystemSourceLocationQuote
-69.9 kJ/mol-atom ± 8.2Yb11Ge10298.15experimentalKEWL and KEMSGe–Yb[1] Achgar 2018
cites Balducci 2007 doi
Table 2, p. 5, row 11
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-69.9 kJ/mol-atom ± 8.2Yb11Ge10298.15experimentalKE techniqueGe–Yb[2] Dai-man 2018
cites Balducci 2007
Table 2, p. 4, row 11
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-77.85 kJ/mol-atomYb11Ge10298.15modelSCMGe–Yb[2] Dai-man 2018Table 2, p. 4, row 13
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-70.319 kJ/mol-atomYb11Ge10modelOptimizationGe–Yb[1] Achgar 2018Table 2, p. 5, row 12
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-69.8555 kJ/mol-atomYb11Ge10modelOptimizationGe–Yb[1] Achgar 2018Table 2, p. 5, row 13
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-63.4 kJ/mol-atomYb11Ge100DFTDFT calculationGe–Yb[2] Dai-man 2018
cites Saal 2013
Table 2, p. 4, row 12
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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 Ge10Yb11
ValueUnitPrintedReadingMethod (class, basis)CompositionScatterConversionEffective
-69.9kJ/mol-atom8.20.054.2 (kems_vapour, calibrated)8.2
-69.9kJ/mol-atom8.20.054.2 (kems_vapour, calibrated)8.2
-77.85kJ/mol-atom0.0053.9 (model_calculated, calibrated)3.9
-70.319kJ/mol-atom5.000e-43.9 (model_calculated, calibrated)3.9
-69.8555kJ/mol-atom5.000e-53.9 (model_calculated, calibrated)3.9
-63.4kJ/mol-atom0.058.395 (dft, calibrated)8.395

Sources

  1. Khadija Achgar, Saïd Kardellass, Najim Selhaoui, Thermodynamic assessment of the Ytterbium–Germanium binary system, J Therm Anal Calorim 131, 443-453 (2018). doi:10.1007/s10973-017-6203-x
  2. Zhu Dai-man, Li Chang-rong, Guo Cui-ping, Du Zhen-min, Thermodynamic assessment of the Ge-Yb binary system, Ferroelectrics 522, 80-87 (2018). doi:10.1080/00150193.2018.1392217