Mn–Pr system

8 accepted literature values from 1 paper(s) (experimental 4, model 4); 2 calculated phase diagram(s). 5 further extracted value(s) not accepted by the reader-agreement checks are only in the JSON/CSV.

Data: JSON · CSV · interactive explorer · interactive phase diagram · phases (8) · papers (bibliography) · Markdown

Accepted values by evidence class
Evidence class	Values
experimental	4
model	4

Accepted values by property group
Property group	Values
invariant reaction	8

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
MnPr-09Wan.tdb	C.P. Wang, Z. Lin, X.J. Liu, J. Alloys Compd., 469, 123-28(2009). doi:10.1016/j.jallcom.2008.01.092	`afe8988cd246247a7c2272e521cf151b636463bc6e2185e9edc58a4386b4c784`	viewer · TDB · JSON
MnPr-24Ye.tdb	H. Ye, J. Wang, Q. Chen, G. Rao, H. Zhou, Mater. Genome Eng. Adv., 2, 39(2024). doi:10.1002/mgea.39	`d5a488fd0fc8b6bc15ac2e1ac1ba3744fb432781fea85ef0fb295943243e50eb`	viewer · TDB · JSON

Calculated three-phase invariants (model, mole fraction of the second component)
TDB file	T (K)	Phases at the invariant
MnPr-09Wan.tdb	1404.69	FCC_A1 (x(Pr) 0) + BCC_A2 (x(Pr) 7.300e-4) + LIQUID (x(Pr) 0.0888)
MnPr-09Wan.tdb	1404.69	FCC_A1 (x(Pr) 0) + BCC_A2 (x(Pr) 7.300e-4) + LIQUID (x(Pr) 0.08878)
MnPr-09Wan.tdb	1359.99	FCC_A1 (x(Pr) 0) + CUB_A13 (x(Pr) 0) + LIQUID (x(Pr) 0.13972)
MnPr-09Wan.tdb	1359.99	CUB_A13 (x(Pr) 0) + FCC_A1 (x(Pr) 0) + LIQUID (x(Pr) 0.13928)
MnPr-09Wan.tdb	1204	CUB_A13 (x(Pr) 0) + BCC_A2 (x(Pr) 1) + LIQUID (x(Pr) 1)
MnPr-09Wan.tdb	1065.06	CUB_A13 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069) + LIQUID (x(Pr) 0.62539)
MnPr-09Wan.tdb	1065.05	CUB_A13 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069) + LIQUID (x(Pr) 0.62508)
MnPr-09Wan.tdb	1065.05	CUB_A13 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069) + LIQUID (x(Pr) 0.62493)
MnPr-09Wan.tdb	980	CUB_A13 (x(Pr) 0) + CBCC_A12 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069)
MnPr-09Wan.tdb	938.01	LIQUID (x(Pr) 0.76118) + BCC_A2 (x(Pr) 0.92224) + DHCP (x(Pr) 0.98991)
MnPr-09Wan.tdb	933.71	MN23PR6_D8A (x(Pr) 0.2069) + LIQUID (x(Pr) 0.75565) + DHCP (x(Pr) 0.9898)
MnPr-09Wan.tdb	924.24	CBCC_A12 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069) + DHCP (x(Pr) 0.99023)
MnPr-09Wan.tdb	924.24	CBCC_A12 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069) + DHCP (x(Pr) 0.99023)
MnPr-24Ye.tdb	1407.4	FCC_A1 (x(Pr) 2.000e-5) + BCC_A2 (x(Pr) 4.400e-4) + LIQUID (x(Pr) 0.08342)
MnPr-24Ye.tdb	1407.4	FCC_A1 (x(Pr) 2.000e-5) + BCC_A2 (x(Pr) 4.400e-4) + LIQUID (x(Pr) 0.08338)
MnPr-24Ye.tdb	1359.85	CUB_A13 (x(Pr) 0) + FCC_A1 (x(Pr) 2.000e-5) + LIQUID (x(Pr) 0.13227)
MnPr-24Ye.tdb	1359.85	CUB_A13 (x(Pr) 0) + FCC_A1 (x(Pr) 2.000e-5) + LIQUID (x(Pr) 0.13186)
MnPr-24Ye.tdb	1204	CUB_A13 (x(Pr) 0) + BCC_A2 (x(Pr) 1) + LIQUID (x(Pr) 1)
MnPr-24Ye.tdb	1062.17	CUB_A13 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069) + LIQUID (x(Pr) 0.61092)
MnPr-24Ye.tdb	1062.17	CUB_A13 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069) + LIQUID (x(Pr) 0.61061)
MnPr-24Ye.tdb	1062.17	CUB_A13 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069) + LIQUID (x(Pr) 0.61025)
MnPr-24Ye.tdb	980	CUB_A13 (x(Pr) 0) + CBCC_A12 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069)
MnPr-24Ye.tdb	937.89	LIQUID (x(Pr) 0.76402) + BCC_A2 (x(Pr) 0.92167) + DHCP (x(Pr) 0.98979)
MnPr-24Ye.tdb	934.42	MN23PR6_D8A (x(Pr) 0.2069) + LIQUID (x(Pr) 0.75938) + DHCP (x(Pr) 0.98969)
MnPr-24Ye.tdb	922.39	CBCC_A12 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069) + DHCP (x(Pr) 0.99022)
MnPr-24Ye.tdb	922.39	CBCC_A12 (x(Pr) 0) + MN23PR6_D8A (x(Pr) 0.2069) + DHCP (x(Pr) 0.99022)

Convex hulls: Materials Project DFT hull · OQMD DFT hull · CALPHAD hull MnPr-09Wan

Invariant reactions (literature)

Invariant reactions reported in the literature for the Mn–Pr system (8)
T (K)	Reaction / phases	Compositions (mole fraction)	Class	Source	Location
1064.15	peritectic: αMn + L -> Mn23Pr6	αMn: Pr 0; L: Pr 0.625; Mn23Pr6: Pr 0.207	model	[1] Wang 2009	Table 5, p. 5, row 6 report
1063.15	peritectic: αMn + L -> Mn23Pr6	αMn: Pr 0; L: Pr 0.629; Mn23Pr6: Pr 0.207	experimental	[1] Wang 2009 cites Massalski 1990	Table 5, p. 5, row 5 report
938.15	metatectic/catatectic: βPr -> L + αPr	βPr: Pr 0.915; L: Pr 0.758; αPr: Pr 0.989	experimental	[1] Wang 2009 cites Massalski 1990	Table 5, p. 5, row 11 report
936.15	metatectic/catatectic: βPr -> L + αPr	βPr: Pr 0.923; L: Pr 0.76; αPr: Pr 0.99	model	[1] Wang 2009	Table 5, p. 5, row 12 report
933.15	eutectic: L -> Mn23Pr6 + αPr	L: Pr 0.25; Mn23Pr6: Pr 0.207; αPr: Pr 0.989	experimental	[1] Wang 2009 cites Massalski 1990	Table 5, p. 5, row 7 report
933.15	eutectic: L -> Mn23Pr6 + αPr	L: Pr 0.25; Mn23Pr6: Pr 0.207; αPr: Pr 0.992	model	[1] Wang 2009	Table 5, p. 5, row 8 report
923.15	eutectoid: Mn23Pr6 -> αMn + αPr	Mn23Pr6: Pr 0.207; αMn: Pr 0; αPr: Pr 0.99	model	[1] Wang 2009	Table 5, p. 5, row 10 report
923.15	eutectoid: Mn23Pr6 -> αMn + αPr	Mn23Pr6: Pr 0.207; αMn: Pr 0; αPr: Pr 0.991	experimental	[1] Wang 2009 cites Massalski 1990	Table 5, p. 5, row 9 report

Sources

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

C.P. Wang, Z. Lin, X.J. Liu, Thermodynamic assessments of the Dy–Mn and Mn–Pr systems, Journal of Alloys and Compounds 469, 123-128 (2009). doi:10.1016/j.jallcom.2008.01.092

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}
}