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PuIrO3

High-Entropy Materials HEA

MP-ID: mp-975596 · Space group: Pm-3m (#221)

Basic Information

Formula
PuIrO3
MP-ID
mp-975596
Elements
3
Sites
5
Density
11.3777
g/cm³
Volume
70.67
ų
Cell a
4.1344
Å
Cell b
4.1344
Å
Cell c
4.1344
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
90.00
°
Space Group
Pm-3m
Point Group
m-3m
Crystal System
Cubic
Bravais Lattice
Cubic P
Stability
No
Packing Fraction
0.5240

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; CuKa ; λ=1.5406 Å
Diffraction Peaks (Top 9)
2θd (Å)Ihkl
21.49 4.1344 2.8 (1,0,0)
30.58 2.9235 100.0 (1,1,0)
43.79 2.0672 25.6 (2,0,0)
49.28 1.8490 1.2 (2,1,0)
54.35 1.6879 41.9 (2,1,1)
63.66 1.4617 16.6 (2,2,0)
72.27 1.3074 18.4 (3,1,0)
80.47 1.1935 5.7 (2,2,2)
88.48 1.1050 22.9 (3,2,1)
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Energy Properties

Formation Energy/atom
-1.07718
eV/atom
Energy/atom
-8.76123
eV/atom
Energy above Hull
1.3969
eV/atom
Uncorrected Energy
-8.3490
eV/atom
Volume/atom
14.13
ų
c/a Ratio
-

Electronic Properties

Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV

Magnetic Properties

Magnetic
No
Total Mag. Moment
0.0073
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000100
μB/ų

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
0.9503
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
7.9005
J/mol·K
Ω Parameter
0.0000
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
49.270%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.8822
smaller = more stable mixing
VEC
5.400
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
0.000
kJ/mol; negative = exothermic mixing
Entropy Norm
0.8650
SS Former
0
Phase Tendency
IM

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-975596
Reference Citation

The crystal structure and related material properties of PuIrO3 were obtained from the Materials Project database (MP-ID: mp-975596, 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

BibTeX
@article{Horton2025,
  author  = {Horton, Matthew K. and Huck, Patrick and Yang, Ruo Xi and Munro, Jason M. and Dwaraknath, Shyam and Ganose, Alex M. and Kingsbury, Ryan S. and Wen, Mingjian and Shen, Jimmy X. and Mathis, Tyler S. and Kaplan, Aaron D. and Berket, Karlo and Riebesell, Janosh and George, Janine and Rosen, Andrew S. and Spotte-Smith, Evan W. C. and McDermott, Matthew J. and Cohen, Orion A. and Dunn, Alex and Kuner, Matthew C. and Rignanese, Gian-Marco and Petretto, Guido and Waroquiers, David and Griffin, Sinead M. and Neaton, Jeffrey B. and Chrzan, Daryl C. and Asta, Mark and Hautier, Geoffroy and Cholia, Shreyas and Ceder, Gerbrand and Ong, Shyue Ping and Jain, Anubhav and Persson, Kristin A.},
  title   = {Accelerated data-driven materials science with the Materials Project},
  journal = {Nature Materials},
  year    = {2025},
  volume  = {24},
  number  = {10},
  pages   = {1522--1532},
  month   = {oct},
  doi     = {10.1038/s41563-025-02272-0},
  issn    = {1476-4660},
  url     = {https://doi.org/10.1038/s41563-025-02272-0},
  abstract = {The Materials Project was launched formally in 2011 to drive materials discovery forwards through high-throughput computation and open data. More than a decade later, the Materials Project has become an indispensable tool used by more than 600,000 materials researchers around the world. This Perspective describes how the Materials Project, as a data platform and a software ecosystem, has helped to shape research in data-driven materials science. We cover how sustainable software and computational methods have accelerated materials design while becoming more open source and collaborative in nature. Next, we present cases where the Materials Project was used to understand and discover functional materials. We then describe our efforts to meet the needs of an expanding user base, through technical infrastructure updates ranging from data architecture and cloud resources to interactive web applications. Finally, we discuss opportunities to better aid the research community, with the vision that more accessible and easy-to-understand materials data will result in democratized materials knowledge and an increasingly collaborative community.}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# generated using pymatgen
data_PuIrO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.13438800
_cell_length_b   4.13438800
_cell_length_c   4.13438800
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   PuIrO3
_chemical_formula_sum   'Pu1 Ir1 O3'
_cell_volume   70.66977268
_cell_formula_units_Z   1
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
  Pu  Pu0  1  0.50000000  0.50000000  0.50000000  1.0
  Ir  Ir1  1  0.00000000  0.00000000  0.00000000  1.0
  O  O2  1  0.50000000  0.50000000  0.00000000  1.0
  O  O3  1  0.50000000  0.00000000  0.50000000  1.0
  O  O4  1  0.00000000  0.50000000  0.50000000  1.0
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