SrCrPd2

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-631494 · Space group: F-43m (#216)

Materials Project API

Basic Information

Formula

SrCrPd2

MP-ID

mp-631494

Elements

Sites

Density

7.2490

g/cm³

Volume

80.74

Å³

Cell a

4.8514

Cell b

4.8514

Cell c

4.8514

α Angle

60.00

β Angle

60.00

γ Angle

60.00

Space Group

F-43m

Point Group

-43m

Crystal System

Cubic

Bravais Lattice

Stability

Packing Fraction

0.7405

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
22.45	3.9611	6.3	(1,1,1)
25.97	3.4304	1.1	(1,1,0)
37.06	2.4257	100.0	(2,1,1)
43.76	2.0686	3.4	(2,2,1)
53.42	1.7152	16.9	(2,2,0)
58.65	1.5740	1.5	(3,2,2)
66.80	1.4005	33.7	(3,3,2)
71.45	1.3204	1.1	(3,3,3)
78.93	1.2128	10.4	(4,2,2)
83.33	1.1597	1.1	(4,3,2)

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Energy Properties

Formation Energy/atom

0.12327

eV/atom

Energy/atom

-5.30304

eV/atom

Energy above Hull

0.5993

eV/atom

Uncorrected Energy

-5.3030

eV/atom

Volume/atom

20.18

Å³

c/a Ratio

1.0000

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

4.5233

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.056030

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Pd · 0.500

Element Family

4d-TM

Solute Fraction

0.500

Interstitial Fraction

0.000

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

1.0397

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

8.6442

J/mol·K

Ω Parameter

2.9762

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

19.146%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.5131

smaller = more stable mixing

VEC

7.000

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

-5.000

kJ/mol; negative = exothermic mixing

Entropy Norm

0.9464

SS Former

Phase Tendency

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.269

Family

Pd-rich Multi-Component

Matrix Element

Pd · 0.500

Related Tasks

Related computation task IDs (5)

aaadnybn aaadwlha aaadyldd aaaetcuy aaafslmt

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-631494

Reference Citation

The crystal structure and related material properties of SrCrPd2 were obtained from the Materials Project database (MP-ID: mp-631494, 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

Loading 3D structure…

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Raw CIF Data

# generated using pymatgen
data_SrCrPd2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.85135356
_cell_length_b   4.85135356
_cell_length_c   4.85135356
_cell_angle_alpha   60.00000000
_cell_angle_beta   60.00000000
_cell_angle_gamma   60.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   SrCrPd2
_chemical_formula_sum   'Sr1 Cr1 Pd2'
_cell_volume   80.73721821
_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
  Sr  Sr0  1  0.75000000  0.75000000  0.75000000  1.0
  Cr  Cr1  1  0.00000000  0.00000000  0.00000000  1.0
  Pd  Pd2  1  0.50000000  0.50000000  0.50000000  1.0
  Pd  Pd3  1  0.25000000  0.25000000  0.25000000  1.0

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