CsGdO3

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-984082 · Space group: Pm-3m (#221)

Materials Project API

Basic Information

Formula

CsGdO3

MP-ID

mp-984082

Elements

Sites

Density

5.9790

g/cm³

Volume

93.91

Å³

Cell a

4.5455

Cell b

4.5455

Cell c

4.5455

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

Stability

Packing Fraction

0.5236

X-ray Diffraction

Diffraction Pattern

Target / Radiation

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

Diffraction Peaks (Top 10)

2θ	d (Å)	I	hkl
19.53	4.5455	3.0	(1,0,0)
27.76	3.2141	100.0	(1,1,0)
39.66	2.2727	29.8	(2,0,0)
44.57	2.0328	1.4	(2,1,0)
49.09	1.8557	42.3	(2,1,1)
57.33	1.6071	19.3	(2,2,0)
64.87	1.4374	18.6	(3,1,0)
71.96	1.3122	6.4	(2,2,2)
78.78	1.2148	21.8	(3,2,1)
85.44	1.1364	3.0	(4,0,0)

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Energy Properties

Formation Energy/atom

-2.26634

eV/atom

Energy/atom

-8.23193

eV/atom

Energy above Hull

0.2294

eV/atom

Uncorrected Energy

-7.8197

eV/atom

Volume/atom

18.78

Å³

c/a Ratio

1.0000

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

5.0002

μB

Mag. Ordering

FiM

Mag. Sites

Magnetization/Volume

0.053240

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

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

66.423%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

1.2048

smaller = more stable mixing

VEC

3.200

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

0.000

kJ/mol; negative = exothermic mixing

Entropy Norm

0.8650

SS Former

Phase Tendency

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.381

Family

O-rich Multi-Component

Matrix Element

O · 0.600

Related Tasks

Related computation task IDs (5)

aaadokjs aaaduogj aaaegbkp aaaepnvj aaafbjwk

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-984082

Reference Citation

The crystal structure and related material properties of CsGdO3 were obtained from the Materials Project database (MP-ID: mp-984082, 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_CsGdO3
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.54545500
_cell_length_b   4.54545500
_cell_length_c   4.54545500
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   CsGdO3
_chemical_formula_sum   'Cs1 Gd1 O3'
_cell_volume   93.91437829
_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
  Cs  Cs0  1  0.00000000  0.00000000  0.00000000  1.0
  Gd  Gd1  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

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