EuCu2
Traditional Materials TRAMP-ID: mp-1071732 · Space group: Imma (#74)
Basic Information
Formula
EuCu2
MP-ID
mp-1071732
Elements
2
Sites
6
Density
8.0366
g/cm³
Volume
115.32
ų
Cell a
4.3564
Å
Cell b
5.5884
Å
Cell c
5.5884
Å
α Angle
79.62
°
β Angle
67.06
°
γ Angle
67.06
°
Space Group
Imma
Point Group
mmm
Crystal System
Orthorhombic
Bravais Lattice
oI
Stability
Yes
Packing Fraction
-
X-ray Diffraction
Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 24)
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 23.70 | 3.7540 | 18.1 | (1,1,1) |
| 24.06 | 3.6991 | 6.0 | (0,1,1) |
| 24.89 | 3.5780 | 3.9 | (0,1,-1) |
| 34.18 | 2.6234 | 22.4 | (1,1,2) |
| 34.18 | 2.6234 | 22.4 | (1,-1,0) |
| 34.63 | 2.5900 | 100.0 | (1,2,0) |
| 34.89 | 2.5718 | 19.0 | (0,0,2) |
| 34.89 | 2.5718 | 19.0 | (0,2,0) |
| 38.62 | 2.3315 | 12.5 | (0,2,1) |
| 39.70 | 2.2703 | 10.1 | (0,1,-2) |
| 39.70 | 2.2703 | 10.1 | (0,2,-1) |
| 41.45 | 2.1782 | 32.8 | (2,1,1) |
| 42.11 | 2.1461 | 41.0 | (1,2,2) |
| 48.50 | 1.8770 | 2.0 | (2,2,2) |
| 48.96 | 1.8606 | 1.4 | (2,2,0) |
| 51.05 | 1.7890 | 5.3 | (0,2,-2) |
| 53.44 | 1.7145 | 2.8 | (0,0,3) |
| 53.44 | 1.7145 | 2.8 | (0,3,0) |
| 55.27 | 1.6622 | 19.8 | (2,3,1) |
| 55.48 | 1.6562 | 6.5 | (1,3,2) |
| 55.97 | 1.6430 | 2.1 | (0,1,3) |
| 55.97 | 1.6430 | 2.1 | (0,3,1) |
| 57.03 | 1.6150 | 6.2 | (1,-1,3) |
| 57.03 | 1.6150 | 6.2 | (1,-2,2) |
Energy Properties
Formation Energy/atom
-0.12817
eV/atom
Energy/atom
-6.29034
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-20.1791
eV/atom
Volume/atom
19.22
ų
c/a Ratio
1.2828
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
Yes
Total Mag. Moment
14.2010
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.123150
μB/ų
Elastic Properties
Elastic data not available
Feature Analysis
Composition Overview
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Cu · 0.667
Element Family
N/A
Solute Fraction
0.333
Interstitial Fraction
0.000
Traditional Material Features
ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.788
Family
Cu-based Alloy
Matrix Element
Cu · 0.667
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-1071732
Reference Citation
The crystal structure and related material properties of EuCu2 were obtained from the Materials Project database (MP-ID: mp-1071732, 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_EuCu2
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 4.35643178
_cell_length_b 5.58838652
_cell_length_c 5.58838720
_cell_angle_alpha 79.62210375
_cell_angle_beta 67.05947475
_cell_angle_gamma 67.05947183
_symmetry_Int_Tables_number 1
_chemical_formula_structural EuCu2
_chemical_formula_sum 'Eu2 Cu4'
_cell_volume 115.31815409
_cell_formula_units_Z 2
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 0.54653271 0.70346729 0.20346729 1.0
Eu Eu1 1 0.45346729 0.29653271 0.79653271 1.0
Cu Cu2 1 0.16390524 0.27521282 0.39697669 1.0
Cu Cu3 1 0.83609476 0.72478718 0.60302331 1.0
Cu Cu4 1 0.83609476 0.10302331 0.22478718 1.0
Cu Cu5 1 0.16390524 0.89697669 0.77521282 1.0
