Basic Information
Formula
InCuO3
MP-ID
mp-975443
Elements
3
Sites
5
Density
6.9191
g/cm³
Volume
54.33
ų
Cell a
3.7873
Å
Cell b
3.7873
Å
Cell c
3.7873
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
cP
Stability
No
Packing Fraction
0.5236
X-ray Diffraction
Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 11)
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 23.49 | 3.7873 | 3.7 | (1,0,0) |
| 33.46 | 2.6781 | 100.0 | (1,1,0) |
| 41.29 | 2.1866 | 11.7 | (1,1,1) |
| 48.05 | 1.8937 | 32.7 | (2,0,0) |
| 54.15 | 1.6938 | 2.0 | (2,1,0) |
| 59.81 | 1.5462 | 36.5 | (2,1,1) |
| 70.30 | 1.3390 | 18.5 | (2,2,0) |
| 75.27 | 1.2625 | 1.2 | (2,2,1) |
| 80.13 | 1.1977 | 15.4 | (3,1,0) |
| 84.92 | 1.1419 | 3.4 | (3,1,1) |
| 89.68 | 1.0933 | 6.4 | (2,2,2) |
Energy Properties
Formation Energy/atom
-0.90599
eV/atom
Energy/atom
-5.24644
eV/atom
Energy above Hull
0.5170
eV/atom
Uncorrected Energy
-4.8342
eV/atom
Volume/atom
10.87
ų
c/a Ratio
1.0000
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
No
Total Mag. Moment
0.0027
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000050
μB/ų
Elastic Properties
KVRH
160.872
GPa
GVRH
55.989
GPa
Young's Modulus E
150.507
GPa
Poisson Ratio ν
0.344
Pugh Ratio K/G
2.873
Vickers Hardness Est.
-
GPa
Ductility
Brittle
Anisotropy
0.189
Lame λ
123.546
GPa
Feature Analysis
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
O · 0.600
Element Family
Metalloid-Nonmetal
Solute Fraction
0.400
Interstitial Fraction
0.000
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
4.8196
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
46.953%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.7848
smaller = more stable mixing
VEC
5.200
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
-0.640
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-975443
Reference Citation
The crystal structure and related material properties of InCuO3 were obtained from the Materials Project database (MP-ID: mp-975443, 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_InCuO3
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 3.78734100
_cell_length_b 3.78734100
_cell_length_c 3.78734100
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 90.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural InCuO3
_chemical_formula_sum 'In1 Cu1 O3'
_cell_volume 54.32543694
_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
In In0 1 0.00000000 0.00000000 0.00000000 1.0
Cu Cu1 1 0.50000000 0.50000000 0.50000000 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
