EuIn2
Traditional Materials TRAMP-ID: mp-636316 · Space group: P6_3/mmc (#194)
Basic Information
Formula
EuIn2
MP-ID
mp-636316
Elements
2
Sites
6
Density
7.4509
g/cm³
Volume
170.09
ų
Cell a
4.9956
Å
Cell b
4.9956
Å
Cell c
7.8700
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
120.00
°
Space Group
P6_3/mmc
Point Group
6/mmm
Crystal System
Hexagonal
Bravais Lattice
hP
Stability
Yes
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 |
|---|---|---|---|
| 20.53 | 4.3263 | 1.2 | (1,-1,0,0) |
| 20.53 | 4.3263 | 2.5 | (1,0,-1,0) |
| 22.60 | 3.9350 | 1.9 | (0,0,0,2) |
| 23.47 | 3.7912 | 5.0 | (1,-1,0,1) |
| 23.47 | 3.7912 | 10.0 | (1,0,-1,1) |
| 30.71 | 2.9110 | 100.0 | (1,0,-1,2) |
| 30.71 | 2.9110 | 50.0 | (0,1,-1,2) |
| 35.95 | 2.4978 | 38.8 | (2,-1,-1,0) |
| 35.95 | 2.4978 | 38.8 | (1,-2,1,0) |
| 35.95 | 2.4978 | 38.8 | (1,1,-2,0) |
| 40.20 | 2.2432 | 8.7 | (1,-1,0,3) |
| 40.20 | 2.2432 | 17.4 | (1,0,-1,3) |
| 42.89 | 2.1088 | 1.2 | (2,-1,-1,2) |
| 43.38 | 2.0858 | 1.9 | (2,0,-2,1) |
| 46.14 | 1.9675 | 8.1 | (0,0,0,4) |
| 47.99 | 1.8956 | 14.3 | (2,-2,0,2) |
| 47.99 | 1.8956 | 28.6 | (2,0,-2,2) |
| 50.99 | 1.7910 | 6.1 | (1,0,-1,4) |
| 55.02 | 1.6689 | 3.4 | (2,-2,0,3) |
| 55.02 | 1.6689 | 6.7 | (2,0,-2,3) |
| 59.84 | 1.5456 | 14.8 | (2,-1,-1,4) |
| 59.84 | 1.5456 | 7.4 | (1,1,-2,4) |
| 61.40 | 1.5100 | 6.8 | (3,-2,-1,2) |
| 61.40 | 1.5100 | 13.6 | (3,-1,-2,2) |
Energy Properties
Formation Energy/atom
-0.46275
eV/atom
Energy/atom
-5.73157
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-28.5434
eV/atom
Volume/atom
28.35
ų
c/a Ratio
1.5754
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
Yes
Total Mag. Moment
14.1242
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.083040
μB/ų
Elastic Properties
Elastic data not available
Feature Analysis
Composition Overview
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
In · 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
0.623
Family
Binary Alloy
Matrix Element
In · 0.667
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-636316
Reference Citation
The crystal structure and related material properties of EuIn2 were obtained from the Materials Project database (MP-ID: mp-636316, 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_EuIn2
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 4.99559845
_cell_length_b 4.99559811
_cell_length_c 7.86999071
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 120.00002786
_symmetry_Int_Tables_number 1
_chemical_formula_structural EuIn2
_chemical_formula_sum 'Eu2 In4'
_cell_volume 170.09037738
_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 -0.00000000 0.00000000 0.24999900 1.0
Eu Eu1 1 -0.00000000 0.00000000 0.75000100 1.0
In In2 1 0.33333300 0.66666700 0.45515700 1.0
In In3 1 0.66666700 0.33333300 0.95511736 1.0
In In4 1 0.66666700 0.33333300 0.54488264 1.0
In In5 1 0.33333300 0.66666700 0.04484300 1.0
