PrZn(FeO3)2

High-Entropy Materials HEA

MP-ID: mp-1044777 · Space group: Pmn2_1 (#31)

Materials Project API

Basic Information

Formula

PrZn(FeO3)2

MP-ID

mp-1044777

Elements

Sites

Density

6.0906

g/cm³

Volume

225.75

Å³

Cell a

5.3258

Cell b

5.4811

Cell c

7.7335

α Angle

90.00

β Angle

90.00

γ Angle

90.00

Space Group

Pmn2_1

Point Group

mm2

Crystal System

Orthorhombic

Bravais Lattice

Stability

Packing Fraction

X-ray Diffraction

Diffraction Pattern

Target / Radiation

X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å

Diffraction Peaks (Top 24)

2θ	d (Å)	I	hkl
19.85	4.4718	8.2	(0,1,1)
20.25	4.3863	8.5	(1,0,1)
23.00	3.8667	3.9	(0,0,2)
23.29	3.8196	5.7	(1,1,0)
26.02	3.4247	4.9	(1,1,1)
32.68	2.7405	23.2	(0,2,0)
32.96	2.7174	100.0	(1,1,2)
33.66	2.6629	21.2	(2,0,0)
34.73	2.5831	2.5	(0,2,1)
36.89	2.4368	1.8	(1,2,0)
38.60	2.3327	1.9	(0,1,3)
38.74	2.3242	2.6	(1,2,1)
38.81	2.3203	3.1	(1,0,3)
39.38	2.2880	7.0	(2,1,1)
40.34	2.2359	6.8	(0,2,2)
41.16	2.1931	6.2	(2,0,2)
42.30	2.1367	2.6	(1,1,3)
43.92	2.0616	1.4	(1,2,2)
47.00	1.9334	14.3	(0,0,4)
47.62	1.9098	25.1	(2,2,0)
48.48	1.8777	2.3	(0,2,3)
49.14	1.8541	3.6	(2,2,1)
51.61	1.7709	1.4	(1,2,3)
52.13	1.7547	2.5	(2,1,3)

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Energy Properties

Formation Energy/atom

-2.06477

eV/atom

Energy/atom

-7.33307

eV/atom

Energy above Hull

0.1036

eV/atom

Uncorrected Energy

-6.4697

eV/atom

Volume/atom

11.29

Å³

c/a Ratio

1.4521

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

18.0007

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.079740

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

O · 0.600

Element Family

Metalloid-Nonmetal

Solute Fraction

0.400

Interstitial Fraction

0.000

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

1.0889

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

9.0531

J/mol·K

Ω Parameter

16.5545

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

46.643%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.9147

smaller = more stable mixing

VEC

5.500

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

-0.320

kJ/mol; negative = exothermic mixing

Entropy Norm

0.7855

SS Former

Phase Tendency

Related Tasks

Related computation task IDs (2)

aaachloz aaaefhqu

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1044777

Reference Citation

The crystal structure and related material properties of PrZn(FeO3)2 were obtained from the Materials Project database (MP-ID: mp-1044777, database version v2026.04.13).

Literature Citation

Horton, M.K., Huck, P., Yang, R.X. et al. Accelerated data-driven materials science with the Materials Project. Nat. Mater. 24, 1522–1532 (2025). https://doi.org/10.1038/s41563-025-02272-0

3D Crystal Structure Rendering

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Raw CIF Data

# generated using pymatgen
data_PrZn(FeO3)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.32575200
_cell_length_b   5.48107300
_cell_length_c   7.73348800
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   PrZn(FeO3)2
_chemical_formula_sum   'Pr2 Zn2 Fe4 O12'
_cell_volume   225.74697599
_cell_formula_units_Z   2
loop_
 _symmetry_equiv_pos_site_id
 _symmetry_equiv_pos_as_xyz
  1  'x, y, z'
loop_
 _atom_site_type_symbol
 _atom_site_label
 _atom_site_symmetry_multiplicity
 _atom_site_fract_x
 _atom_site_fract_y
 _atom_site_fract_z
 _atom_site_occupancy
  Pr  Pr0  1  0.01113000  0.70861400  0.00000000  1.0
  Pr  Pr1  1  0.51113000  0.29138600  0.50000000  1.0
  Zn  Zn2  1  0.48587300  0.22199400  0.00000000  1.0
  Zn  Zn3  1  0.98587300  0.77800600  0.50000000  1.0
  Fe  Fe4  1  0.99998000  0.24401800  0.75014600  1.0
  Fe  Fe5  1  0.99998000  0.24401800  0.24985400  1.0
  Fe  Fe6  1  0.49998000  0.75598200  0.25014600  1.0
  Fe  Fe7  1  0.49998000  0.75598200  0.74985400  1.0
  O  O8  1  0.07906400  0.21072400  0.50000000  1.0
  O  O9  1  0.22026500  0.97191700  0.80306700  1.0
  O  O10  1  0.22026500  0.97191700  0.19693300  1.0
  O  O11  1  0.30753900  0.44586700  0.19132800  1.0
  O  O12  1  0.30753900  0.44586700  0.80867200  1.0
  O  O13  1  0.36840500  0.72679000  0.50000000  1.0
  O  O14  1  0.57906400  0.78927600  0.00000000  1.0
  O  O15  1  0.72026500  0.02808300  0.69693300  1.0
  O  O16  1  0.72026500  0.02808300  0.30306700  1.0
  O  O17  1  0.80753900  0.55413300  0.69132800  1.0
  O  O18  1  0.80753900  0.55413300  0.30867200  1.0
  O  O19  1  0.86840500  0.27321000  0.00000000  1.0

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