EuMg5
Traditional Materials TRAMP-ID: mp-1184282 · Space group: P-62m (#189)
Basic Information
Formula
EuMg5
MP-ID
mp-1184282
Elements
2
Sites
6
Density
2.8418
g/cm³
Volume
159.81
ų
Cell a
6.0521
Å
Cell b
6.0521
Å
Cell c
5.0380
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
120.00
°
Space Group
P-62m
Point Group
-6m2
Crystal System
Hexagonal
Bravais Lattice
hP
Stability
No
Packing Fraction
0.7405
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 |
|---|---|---|---|
| 16.92 | 5.2413 | 52.1 | (1,-1,0,0) |
| 16.92 | 5.2413 | 26.1 | (1,0,-1,0) |
| 17.60 | 5.0380 | 37.1 | (0,0,0,1) |
| 24.51 | 3.6321 | 98.3 | (1,-1,0,1) |
| 24.51 | 3.6321 | 49.2 | (1,0,-1,1) |
| 29.52 | 3.0261 | 22.1 | (1,-2,1,0) |
| 29.52 | 3.0260 | 44.1 | (2,-1,-1,0) |
| 34.22 | 2.6206 | 35.5 | (2,-2,0,0) |
| 34.22 | 2.6206 | 17.7 | (2,0,-2,0) |
| 34.58 | 2.5941 | 50.0 | (1,-2,1,1) |
| 34.58 | 2.5941 | 100.0 | (2,-1,-1,1) |
| 35.64 | 2.5190 | 33.2 | (0,0,0,2) |
| 38.73 | 2.3249 | 4.7 | (2,-2,0,1) |
| 38.73 | 2.3249 | 2.4 | (2,0,-2,1) |
| 39.70 | 2.2704 | 13.4 | (1,-1,0,2) |
| 39.70 | 2.2704 | 6.7 | (1,0,-1,2) |
| 45.80 | 1.9810 | 5.2 | (2,-3,1,0) |
| 45.80 | 1.9810 | 5.2 | (3,-2,-1,0) |
| 45.80 | 1.9810 | 5.2 | (3,-1,-2,0) |
| 46.93 | 1.9360 | 12.2 | (1,-2,1,2) |
| 46.93 | 1.9360 | 24.4 | (2,-1,-1,2) |
| 49.44 | 1.8436 | 14.5 | (2,-3,1,1) |
| 49.44 | 1.8436 | 7.3 | (1,2,-3,1) |
| 49.44 | 1.8436 | 7.3 | (3,-2,-1,1) |
Energy Properties
Formation Energy/atom
-0.00676
eV/atom
Energy/atom
-3.08017
eV/atom
Energy above Hull
0.0362
eV/atom
Uncorrected Energy
-9.9251
eV/atom
Volume/atom
26.63
ų
c/a Ratio
0.8324
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
Yes
Total Mag. Moment
7.3338
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.045890
μB/ų
Elastic Properties
Elastic data not available
Feature Analysis
Composition Overview
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Mg · 0.833
Element Family
N/A
Solute Fraction
0.167
Interstitial Fraction
0.000
Traditional Material Features
ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.773
Family
Mg-based Alloy
Matrix Element
Mg · 0.833
Related Tasks
Related computation task IDs (1)
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-1184282
Reference Citation
The crystal structure and related material properties of EuMg5 were obtained from the Materials Project database (MP-ID: mp-1184282, 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_EuMg5
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 6.05208946
_cell_length_b 6.05209479
_cell_length_c 5.03799106
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 120.00002773
_symmetry_Int_Tables_number 1
_chemical_formula_structural EuMg5
_chemical_formula_sum 'Eu1 Mg5'
_cell_volume 159.80816456
_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 0.50000000 1.0
Mg Mg1 1 0.00000000 0.54935283 0.00000000 1.0
Mg Mg2 1 0.33333300 0.66666700 0.50000000 1.0
Mg Mg3 1 0.54935283 -0.00000000 0.00000000 1.0
Mg Mg4 1 0.66666700 0.33333300 0.50000000 1.0
Mg Mg5 1 0.45064717 0.45064717 -0.00000000 1.0
