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MP-ID: mp-1008278 · Space group: Pm-3m (#221)

Basic Information

Formula
Cr3Ni
MP-ID
mp-1008278
Elements
2
Sites
4
Density
7.8398
g/cm³
Volume
45.47
ų
Cell a
3.5693
Å
Cell b
3.5693
Å
Cell c
3.5693
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 3)
2θd (Å)Ihkl
43.94 2.0607 100.0 (1,1,1)
51.19 1.7846 45.8 (2,0,0)
75.31 1.2619 25.7 (2,2,0)
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Energy Properties

Formation Energy/atom
0.15727
eV/atom
Energy/atom
-14.14317
eV/atom
Energy above Hull
0.1573
eV/atom
Uncorrected Energy
-8.5345
eV/atom
Volume/atom
11.37
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
0.0065
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000140
μB/ų

Elastic Properties

KVRH
240.418
GPa
GVRH
82.757
GPa
Young's Modulus E
222.716
GPa
Poisson Ratio ν
0.346
Pugh Ratio K/G
2.905
Vickers Hardness Est.
-
GPa
Ductility
Brittle
Anisotropy
3.382
Lame λ
185.247
GPa

Feature Analysis

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Cr · 0.750
Element Family
N/A
Solute Fraction
0.250
Interstitial Fraction
0.000
ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.827
Family
Binary Alloy
Matrix Element
Cr · 0.750

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-1008278
Reference Citation

The crystal structure and related material properties of Cr3Ni were obtained from the Materials Project database (MP-ID: mp-1008278, 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…

Style: Ball & Stick
Raw CIF Data
# generated using pymatgen
data_Cr3Ni
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.56927100
_cell_length_b   3.56927100
_cell_length_c   3.56927100
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Cr3Ni
_chemical_formula_sum   'Cr3 Ni1'
_cell_volume   45.47142560
_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
  Cr  Cr0  1  0.00000000  0.50000000  0.50000000  1.0
  Cr  Cr1  1  0.50000000  0.50000000  0.00000000  1.0
  Cr  Cr2  1  0.50000000  0.00000000  0.50000000  1.0
  Ni  Ni3  1  0.00000000  0.00000000  0.00000000  1.0
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