Cd–Pr system

29 accepted literature values from 1 paper(s) (experimental 17, model 12); 1 calculated phase diagram(s).

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (12) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	17
model	12

Accepted values by property group
Property group	Values
invariant reaction	24
formation	5

Calculated phase diagrams

Binary phase diagrams calculated with pycalphad 0.11.2 from the SGTE binary collection (Hallstedt 2025, CC BY 4.0). Evidence class: model.

Assessments with a calculated phase diagram
TDB file	Assessment	SHA-256	Links
CdPr-14Rei.tdb	T.L. Reichmann, K.W. Richter, S. Delsante, G. Borzone, H. Ipser, Calphad, 47, 56-62(2014). doi:10.1016/j.calphad.2014.06.005	`4d952d7b092747860e87bc277142bc66c5117ac9ad57acc64f9c4a3de1a3d2c1`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
CdPr-14Rei.tdb	1221.51	CD2PR (x(Pr) 0.33333) + LIQUID (x(Pr) 0.40817) + CDPR_B2 (x(Pr) 0.5003)
CdPr-14Rei.tdb	1221.51	CD2PR (x(Pr) 0.33333) + LIQUID (x(Pr) 0.40816) + CDPR_B2 (x(Pr) 0.5003)
CdPr-14Rei.tdb	1142.58	LIQUID (x(Pr) 0.2135) + CD3PR_D03 (x(Pr) 0.25) + CD2PR (x(Pr) 0.33333)
CdPr-14Rei.tdb	1142.58	LIQUID (x(Pr) 0.21355) + CD3PR_D03 (x(Pr) 0.25) + CD2PR (x(Pr) 0.33333)
CdPr-14Rei.tdb	1140.53	CD58PR13 (x(Pr) 0.1831) + LIQUID (x(Pr) 0.2104) + CD3PR_D03 (x(Pr) 0.25)
CdPr-14Rei.tdb	1140.53	CD58PR13 (x(Pr) 0.1831) + LIQUID (x(Pr) 0.21045) + CD3PR_D03 (x(Pr) 0.25)
CdPr-14Rei.tdb	1069.74	CD58PR13 (x(Pr) 0.1831) + CD45PR11 (x(Pr) 0.19643) + CD3PR_D03 (x(Pr) 0.25)
CdPr-14Rei.tdb	1011.15	LIQUID (x(Pr) 0.07744) + CD6PR (x(Pr) 0.14286) + CD58PR13 (x(Pr) 0.1831)
CdPr-14Rei.tdb	1011.15	LIQUID (x(Pr) 0.07755) + CD6PR (x(Pr) 0.14286) + CD58PR13 (x(Pr) 0.1831)
CdPr-14Rei.tdb	985.3	CDPR_B2 (x(Pr) 0.53095) + LIQUID (x(Pr) 0.76953) + BCC_A2 (x(Pr) 0.79643)
CdPr-14Rei.tdb	833.17	LIQUID (x(Pr) 0.02513) + CD11PR_D2E (x(Pr) 0.08333) + CD6PR (x(Pr) 0.14286)
CdPr-14Rei.tdb	833.17	LIQUID (x(Pr) 0.02509) + CD11PR_D2E (x(Pr) 0.08333) + CD6PR (x(Pr) 0.14286)
CdPr-14Rei.tdb	833.17	LIQUID (x(Pr) 0.02519) + CD11PR_D2E (x(Pr) 0.08333) + CD6PR (x(Pr) 0.14286)
CdPr-14Rei.tdb	710.48	CDPR_B2 (x(Pr) 0.52597) + BCC_A2 (x(Pr) 0.82949) + DHCP (x(Pr) 0.95345)
CdPr-14Rei.tdb	594.16	HCP_A3 (x(Pr) 0) + LIQUID (x(Pr) 1.200e-4) + CD11PR_D2E (x(Pr) 0.08333)
CdPr-14Rei.tdb	594.16	HCP_A3 (x(Pr) 0) + LIQUID (x(Pr) 1.200e-4) + CD11PR_D2E (x(Pr) 0.08333)

Convex hulls: Materials Project DFT hull · OQMD DFT hull

Invariant reactions (literature)

Invariant reactions reported in the literature for the Cd–Pr system (24)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1276.15	congruent melting: L⇄CdPr	CdPr: Cd 0.5	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 18 report
1272.15	congruent melting: L⇄CdPr	CdPr: Cd 0.5	model	[1] Reichmann 2014	Table 1, p. 2, row 17 report
1264.15	congruent melting: L⇄Cd2Pr	Cd2Pr: Cd 0.667	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 14 report
1257.15	congruent melting: L⇄Cd2Pr	Cd2Pr: Cd 0.667	model	[1] Reichmann 2014	Table 1, p. 2, row 13 report
1220.15	eutectic: L⇄β-Cd2Pr+CdPr	L: Cd 0.592; β-Cd2Pr: Cd 0.667; CdPr: Cd 0.5	model	[1] Reichmann 2014	Table 1, p. 2, row 19 report
1213.15	eutectic: L⇄β-Cd2Pr+CdPr	L: Cd 0.591; β-Cd2Pr: Cd 0.652; CdPr: Cd 0.501	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 20 report
1149.15	congruent melting: L⇄Cd58Pr13	Cd58Pr13: Cd 0.817	model	[1] Reichmann 2014	Table 1, p. 2, row 7 report
1143.15	congruent melting: L⇄Cd58Pr13	Cd58Pr13: Cd 0.817	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 8 report
1142.15	peritectic: L+α-Cd2Pr⇄Cd3Pr	L: Cd 0.788; α-Cd2Pr: Cd 0.667; Cd3Pr: Cd 0.75	model	[1] Reichmann 2014	Table 1, p. 2, row 15 report
1140.15	eutectic: L⇄Cd58Pr13+Cd3Pr	L: Cd 0.788; Cd58Pr13: Cd 0.817; Cd3Pr: Cd 0.75	model	[1] Reichmann 2014	Table 1, p. 2, row 11 report
1136.15	peritectic: L+α-Cd2Pr⇄Cd3Pr	L: Cd 0.785; α-Cd2Pr: Cd 0.67; Cd3Pr: Cd 0.763	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 16 report
1129.15	eutectic: L⇄Cd58Pr13+Cd3Pr	L: Cd 0.789; Cd58Pr13: Cd 0.813; Cd3Pr: Cd 0.763	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 12 report
1073.15	peritectoid: Cd58Pr13+Cd3Pr⇄Cd45Pr11	Cd58Pr13: Cd 0.817; Cd3Pr: Cd 0.75; Cd45Pr11: Cd 0.804	model	[1] Reichmann 2014	Table 1, p. 2, row 9 report
1068.15	peritectoid: Cd58Pr13+Cd3Pr⇄Cd45Pr11	Cd58Pr13: Cd 0.804; Cd3Pr: Cd 0.763; Cd45Pr11: Cd 0.798	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 10 report
1013.15	peritectic: L+Cd58Pr13⇄Cd6Pr	L: Cd 0.905; Cd58Pr13: Cd 0.818; Cd6Pr: Cd 0.857	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 6 report
1007.15	peritectic: L+Cd58Pr13⇄Cd6Pr	L: Cd 0.924; Cd58Pr13: Cd 0.817; Cd6Pr: Cd 0.857	model	[1] Reichmann 2014	Table 1, p. 2, row 5 report
985.15	eutectic: L⇄CdPr+β-Pr	L: Cd 0.23; CdPr: Cd 0.471; β-Pr: Cd 0.203	model	[1] Reichmann 2014	Table 1, p. 2, row 21 report
982.15	eutectic: L⇄CdPr+β-Pr	L: Cd 0.25; CdPr: Cd 0.47; β-Pr: Cd 0.221	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 22 report
843.15	peritectic: L+Cd6Pr⇄Cd11Pr	L: Cd 0.972; Cd6Pr: Cd 0.857; Cd11Pr: Cd 0.917	model	[1] Reichmann 2014	Table 1, p. 2, row 3 report
839.15	peritectic: L+Cd6Pr⇄Cd11Pr	L: Cd 0.965; Cd6Pr: Cd 0.857; Cd11Pr: Cd 0.917	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 4 report
723.15	eutectoid: β-Pr⇄CdPr+α-Pr	β-Pr: Cd 0.168; CdPr: Cd 0.471; α-Pr: Cd 0.04	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 24 report
710.15	eutectoid: β-Pr⇄CdPr+α-Pr	β-Pr: Cd 0.17; CdPr: Cd 0.474; α-Pr: Cd 0.045	model	[1] Reichmann 2014	Table 1, p. 2, row 23 report
595.15	peritectic: aL+Cd11Pr⇄Cd	L: Cd 1; Cd11Pr: Cd 0.917; Cd: Cd 1	experimental	[1] Reichmann 2014 cites Reichmann 2014	Table 1, p. 2, row 2 report
594.15	peritectic: aL+Cd11Pr⇄Cd	L: Cd 1; Cd11Pr: Cd 0.917; Cd: Cd 1	model	[1] Reichmann 2014	Table 1, p. 2, row 1 report

Formation enthalpies

Literature values in kJ/mol-atom where the per-atom basis is known. DFT columns: the lowest-energy entry at the same composition (Materials Project 2026.04.13, OQMD v1.8; different energy references, never averaged), from dft_parity.json.

Enthalpies of formation, Cd–Pr system (5)
Phase	Compound	Value	T (K)	Class	MP DFT (kJ/mol-atom)	OQMD DFT (kJ/mol-atom)	Source	Location
Cd2Pr	Cd2Pr	-46 kJ/mol-atom ± 2	298.15	experimental	-32.91 (mp-aaaaadlk)	-34.48 (oqmd-1966356)	[1] Reichmann 2014	Table 2, p. 3, row 4 report
Cd3Pr	Cd3Pr	-38.8 kJ/mol-atom ± 2	298.15	experimental	-29.803 (mp-aaabxcgx)	-26.884 (oqmd-314794)	[1] Reichmann 2014	Table 2, p. 3, row 3 report
Cd58Pr13	Cd58Pr13	-36 kJ/mol-atom ± 2	298.15	experimental	-24.804 (mp-aaabhclj)		[1] Reichmann 2014	Table 2, p. 3, row 2 report
Cd58Pr13	Cd58Pr13	-34.3 kJ/mol-atom ± 2	298.15	experimental	-24.804 (mp-aaabhclj)		[1] Reichmann 2014	Table 2, p. 3, row 2 report
Cd6Pr	Cd6Pr	-24.7 kJ/mol-atom ± 2	298.15	experimental	-20.248 (mp-aaacroas)		[1] Reichmann 2014	Table 2, p. 3, row 1 report

Sources

Reporting papers the values were read from (a value cited from another work names that work in its row).

Thomas L. Reichmann, Klaus W. Richter, Simona Delsante, Gabriella Borzone, Herbert Ipser, Enthalpies of formation of Cd–Pr intermetallic compounds and thermodynamic assessment of the Cd–Pr system, Calphad 47, 56-62 (2014). doi:10.1016/j.calphad.2014.06.005

Please cite

R. Arróyave, J. Saal, D. Shin, ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23735569
R. Arróyave, J. Saal, D. Shin, ORCHID-Diagrams: calculated binary phase diagrams (version 2026.10), Zenodo (2026). doi:10.5281/zenodo.23735859
R. Arróyave, J. Saal, D. Shin, ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD) (version 2026.10), Zenodo (2026). doi:10.5281/zenodo.23735891
R. Arróyave, J. Saal, D. Shin, ORCHID data: umbrella record of the ORCHID datasets (version 2026.10; Version 1, machine-extracted), Zenodo (2026). doi:10.5281/zenodo.23736065

Also cite the original source of every value you use (paper_citation / paper_doi, and cited_dois for values the paper cites from earlier work); B. Hallstedt, The SGTE collection of binary datasets, Calphad 89 (2025) 102833, https://doi.org/10.1016/j.calphad.2025.102833 (CC BY 4.0), and the original assessment named in each file; A. Jain et al., The Materials Project: A materials genome approach to accelerating materials innovation, APL Materials 1 (2013) 011002, https://doi.org/10.1063/1.4812323 (CC BY 4.0); J. E. Saal et al., JOM 65 (2013) 1501, https://doi.org/10.1007/s11837-013-0755-4 and S. Kirklin et al., npj Comput. Mater. 1 (2015) 15010, https://doi.org/10.1038/npjcompumats.2015.10 (CC BY 4.0). Version 1, machine-extracted: values were read by language-model readers constrained to quote their source and checked automatically, and the release was then audited on the printed pages by adversarial audits, an independent second review of fit-facing records and a preliminary human review of a frozen sample. Flags such as accepted and ESPEI-ready record screening results, not certification; known issues are listed in the release notes.

@misc{orchid_literature_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Values: thermodynamic and phase-equilibrium values read from the literature}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735569},
  url       = {https://doi.org/10.5281/zenodo.23735569},
  note      = {Version 1, machine-extracted}
}

@misc{orchid_phase_diagrams_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Diagrams: calculated binary phase diagrams}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735859},
  url       = {https://doi.org/10.5281/zenodo.23735859}
}

@misc{orchid_hulls_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID-Hulls: binary convex hulls (Materials Project, OQMD, assessed CALPHAD)}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23735891},
  url       = {https://doi.org/10.5281/zenodo.23735891}
}

@misc{orchid_data_2026,
  author    = {Arr{\'o}yave, Raymundo and Saal, James and Shin, Dongwon},
  title     = {{ORCHID data: umbrella record of the ORCHID datasets}},
  version   = {2026.10},
  publisher = {Zenodo},
  year      = {2026},
  doi       = {10.5281/zenodo.23736065},
  url       = {https://doi.org/10.5281/zenodo.23736065},
  note      = {Version 1, machine-extracted}
}