EuNi3
Traditional Materials TRAMP-ID: mp-974834 · Space group: Pm-3m (#221)
Basic Information
Formula
EuNi3
MP-ID
mp-974834
Elements
2
Sites
4
Density
9.2689
g/cm³
Volume
58.77
ų
Cell a
3.8879
Å
Cell b
3.8879
Å
Cell c
3.8879
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 |
|---|---|---|---|
| 22.87 | 3.8879 | 19.6 | (1,0,0) |
| 32.57 | 2.7492 | 16.7 | (1,1,0) |
| 40.17 | 2.2447 | 100.0 | (1,1,1) |
| 46.73 | 1.9440 | 47.9 | (2,0,0) |
| 52.64 | 1.7387 | 9.0 | (2,1,0) |
| 58.12 | 1.5872 | 6.8 | (2,1,1) |
| 68.23 | 1.3746 | 29.4 | (2,2,0) |
| 73.00 | 1.2960 | 4.6 | (3,0,0) |
| 77.66 | 1.2295 | 3.1 | (3,1,0) |
| 82.24 | 1.1723 | 34.6 | (3,1,1) |
| 86.77 | 1.1224 | 10.2 | (2,2,2) |
Energy Properties
Formation Energy/atom
0.18142
eV/atom
Energy/atom
-18.43509
eV/atom
Energy above Hull
0.2810
eV/atom
Uncorrected Energy
-6.7304
eV/atom
Volume/atom
14.69
ų
c/a Ratio
1.0000
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
Yes
Total Mag. Moment
5.9887
μB
Mag. Ordering
FiM
Mag. Sites
4
Magnetization/Volume
0.101900
μB/ų
Elastic Properties
Elastic data not available
Feature Analysis
Composition Overview
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Ni · 0.750
Element Family
N/A
Solute Fraction
0.250
Interstitial Fraction
0.000
Traditional Material Features
ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.619
Family
Ni-based Alloy
Matrix Element
Ni · 0.750
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-974834
Reference Citation
The crystal structure and related material properties of EuNi3 were obtained from the Materials Project database (MP-ID: mp-974834, 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
|
Drag to rotate · Scroll to zoom · Right-click to pan
Raw CIF Data
# generated using pymatgen
data_EuNi3
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 3.88792400
_cell_length_b 3.88792400
_cell_length_c 3.88792400
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 90.00000000
_symmetry_Int_Tables_number 1
_chemical_formula_structural EuNi3
_chemical_formula_sum 'Eu1 Ni3'
_cell_volume 58.76967657
_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
Eu Eu0 1 0.00000000 0.00000000 0.00000000 1.0
Ni Ni1 1 0.00000000 0.50000000 0.50000000 1.0
Ni Ni2 1 0.50000000 0.00000000 0.50000000 1.0
Ni Ni3 1 0.50000000 0.50000000 0.00000000 1.0
