Basic Information
Formula
Eu(AsRh)2
MP-ID
mp-638841
Elements
3
Sites
5
Density
8.7574
g/cm³
Volume
96.25
ų
Cell a
6.6056
Å
Cell b
6.6056
Å
Cell c
6.6056
Å
α Angle
144.59
°
β Angle
144.59
°
γ Angle
50.94
°
Space Group
I4/mmm
Point Group
4/mmm
Crystal System
Tetragonal
Bravais Lattice
tI
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 |
|---|---|---|---|
| 14.86 | 5.9635 | 10.5 | (1,1,-1) |
| 23.36 | 3.8073 | 5.0 | (1,0,0) |
| 29.97 | 2.9818 | 13.9 | (2,2,-2) |
| 31.49 | 2.8408 | 5.0 | (0,0,1) |
| 31.66 | 2.8259 | 81.9 | (2,1,-1) |
| 34.99 | 2.5647 | 100.0 | (1,1,0) |
| 44.03 | 2.0568 | 18.8 | (2,2,-1) |
| 44.15 | 2.0511 | 23.2 | (3,2,-2) |
| 45.14 | 2.0087 | 53.5 | (1,-1,1) |
| 47.78 | 1.9037 | 1.8 | (2,0,0) |
| 51.43 | 1.7766 | 1.3 | (1,0,1) |
| 55.13 | 1.6660 | 9.9 | (3,1,-1) |
| 56.18 | 1.6373 | 31.7 | (2,1,0) |
| 56.50 | 1.6287 | 33.6 | (3,3,-2) |
| 62.27 | 1.4909 | 9.7 | (4,4,-4) |
| 64.98 | 1.4351 | 14.6 | (3,2,-1) |
| 65.74 | 1.4204 | 17.2 | (0,0,2) |
| 73.91 | 1.2823 | 4.1 | (2,2,0) |
| 74.81 | 1.2691 | 6.8 | (3,0,0) |
| 76.70 | 1.2426 | 20.0 | (2,0,1) |
| 80.17 | 1.1972 | 18.8 | (5,3,-3) |
| 82.54 | 1.1688 | 5.7 | (3,1,0) |
| 82.63 | 1.1677 | 3.8 | (4,1,-1) |
| 89.02 | 1.0997 | 5.0 | (5,5,-4) |
Energy Properties
Formation Energy/atom
-0.80882
eV/atom
Energy/atom
-7.68022
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-24.1590
eV/atom
Volume/atom
19.25
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
7.0641
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.073390
μB/ų
Elastic Properties
Elastic data not available
Feature Analysis
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
As · 0.400
Element Family
N/A
Solute Fraction
0.600
Interstitial Fraction
0.000
ROM Blended-Feature Radar
Rating & Classification
Tier
C
Score
0.441
Family
As-rich Multi-Component
Matrix Element
As · 0.400
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-638841
Reference Citation
The crystal structure and related material properties of Eu(AsRh)2 were obtained from the Materials Project database (MP-ID: mp-638841, 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_Eu(AsRh)2
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 6.60559138
_cell_length_b 6.60559138
_cell_length_c 6.60559138
_cell_angle_alpha 144.59236834
_cell_angle_beta 144.59236834
_cell_angle_gamma 50.94240634
_symmetry_Int_Tables_number 1
_chemical_formula_structural Eu(AsRh)2
_chemical_formula_sum 'Eu1 As2 Rh2'
_cell_volume 96.25211035
_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
As As1 1 0.63255197 0.63255197 -0.00000000 1.0
As As2 1 0.36744803 0.36744803 0.00000000 1.0
Rh Rh3 1 0.75000000 0.25000000 0.50000000 1.0
Rh Rh4 1 0.25000000 0.75000000 0.50000000 1.0
