ScCdNi4

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-1077397 · Space group: F-43m (#216)

Materials Project API

Basic Information

Formula

ScCdNi4

MP-ID

mp-1077397

Elements

Sites

Density

8.2071

g/cm³

Volume

79.34

Å³

Cell a

4.8233

Cell b

4.8232

Cell c

4.8232

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

Yes

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 24)

2θ	d (Å)	I	hkl
22.58	3.9382	9.1	(1,0,0)
22.58	3.9382	9.1	(1,1,1)
22.58	3.9382	9.1	(0,0,1)
22.58	3.9382	9.1	(0,1,0)
26.13	3.4106	20.6	(1,0,1)
26.13	3.4106	10.3	(1,1,0)
37.29	2.4116	22.4	(2,1,1)
37.29	2.4116	22.4	(1,0,-1)
37.29	2.4116	22.4	(1,-1,0)
37.29	2.4116	22.4	(1,1,2)
37.29	2.4116	22.4	(1,2,1)
37.29	2.4116	22.4	(0,1,-1)
44.03	2.0566	66.7	(2,1,0)
44.03	2.0566	66.7	(1,-1,-1)
44.03	2.0566	33.3	(2,2,1)
44.03	2.0566	66.7	(0,1,2)
44.03	2.0566	33.3	(0,2,1)
44.03	2.0566	100.0	(1,1,-1)
44.03	2.0566	33.3	(1,2,0)
46.10	1.9691	34.4	(2,0,0)
46.10	1.9691	34.4	(2,2,2)
46.10	1.9691	34.4	(0,0,2)
46.10	1.9691	34.4	(0,2,0)
53.75	1.7053	5.9	(2,0,2)

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Energy Properties

Formation Energy/atom

-0.35810

eV/atom

Energy/atom

-5.42693

eV/atom

Energy above Hull

0.0000

eV/atom

Uncorrected Energy

-13.5700

eV/atom

Volume/atom

13.22

Å³

c/a Ratio

1.0000

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

0.6788

μB

Mag. Ordering

Unknown

Mag. Sites

Magnetization/Volume

0.008560

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Ni · 0.667

Element Family

3d-TM

Solute Fraction

0.333

Interstitial Fraction

0.000

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

0.8676

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

7.2129

J/mol·K

Ω Parameter

0.5304

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

11.604%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.2050

smaller = more stable mixing

VEC

9.167

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

-21.123

kJ/mol; negative = exothermic mixing

Entropy Norm

0.7897

SS Former

Phase Tendency

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.751

Family

Ni-based Alloy

Matrix Element

Ni · 0.667

Related Tasks

Related computation task IDs (5)

aaadmtyc aaadszhw aaaematq aaaeutnw aaafbwaw

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1077397

Reference Citation

The crystal structure and related material properties of ScCdNi4 were obtained from the Materials Project database (MP-ID: mp-1077397, 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_ScCdNi4
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.82324749
_cell_length_b   4.82323888
_cell_length_c   4.82324103
_cell_angle_alpha   59.99992619
_cell_angle_beta   59.99998526
_cell_angle_gamma   59.99999020
_symmetry_Int_Tables_number   1
_chemical_formula_structural   ScCdNi4
_chemical_formula_sum   'Sc1 Cd1 Ni4'
_cell_volume   79.34178444
_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
  Sc  Sc0  1  0.25000100  0.24999900  0.25000000  1.0
  Cd  Cd1  1  0.00000000  -0.00000000  0.00000000  1.0
  Ni  Ni2  1  0.62555216  0.62555316  0.12334053  1.0
  Ni  Ni3  1  0.62555216  0.12334053  0.62555316  1.0
  Ni  Ni4  1  0.12334053  0.62555316  0.62555316  1.0
  Ni  Ni5  1  0.62555216  0.62555316  0.62555316  1.0

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