EuIn3
Traditional Materials TRAMP-ID: mp-1184466 · Space group: P6_3/mmc (#194)
Basic Information
Formula
EuIn3
MP-ID
mp-1184466
Elements
2
Sites
8
Density
7.7660
g/cm³
Volume
212.29
ų
Cell a
6.7870
Å
Cell b
6.7870
Å
Cell c
5.3217
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
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 |
|---|---|---|---|
| 22.54 | 3.9450 | 8.8 | (1,0,-1,1) |
| 26.26 | 3.3935 | 1.6 | (2,-1,-1,0) |
| 30.42 | 2.9389 | 24.0 | (2,-2,0,0) |
| 30.42 | 2.9389 | 24.0 | (0,2,-2,0) |
| 30.42 | 2.9389 | 24.0 | (2,0,-2,0) |
| 33.68 | 2.6608 | 74.5 | (0,0,0,2) |
| 34.87 | 2.5726 | 100.0 | (2,-2,0,1) |
| 34.87 | 2.5726 | 100.0 | (0,2,-2,1) |
| 34.87 | 2.5726 | 100.0 | (2,0,-2,1) |
| 40.61 | 2.2216 | 1.4 | (2,-3,1,0) |
| 40.61 | 2.2216 | 1.4 | (3,-2,-1,0) |
| 46.01 | 1.9725 | 15.1 | (2,-2,0,2) |
| 46.01 | 1.9725 | 15.1 | (0,2,-2,2) |
| 46.01 | 1.9725 | 15.1 | (2,0,-2,2) |
| 49.58 | 1.8386 | 1.2 | (3,-3,0,1) |
| 49.58 | 1.8386 | 1.2 | (0,3,-3,1) |
| 49.58 | 1.8386 | 1.2 | (3,0,-3,1) |
| 53.75 | 1.7053 | 1.3 | (2,-3,1,2) |
| 53.75 | 1.7053 | 1.3 | (3,-2,-1,2) |
| 53.75 | 1.7053 | 1.3 | (3,-1,-2,2) |
| 54.05 | 1.6968 | 17.9 | (2,-4,2,0) |
| 54.05 | 1.6968 | 17.9 | (4,-2,-2,0) |
| 54.05 | 1.6968 | 17.9 | (2,2,-4,0) |
| 61.01 | 1.5187 | 38.2 | (2,-2,0,3) |
Energy Properties
Formation Energy/atom
-0.35951
eV/atom
Energy/atom
-5.00092
eV/atom
Energy above Hull
0.0009
eV/atom
Uncorrected Energy
-27.0409
eV/atom
Volume/atom
26.54
ų
c/a Ratio
0.7841
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
Yes
Total Mag. Moment
14.0704
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.066280
μB/ų
Elastic Properties
Elastic data not available
Feature Analysis
Composition Overview
Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
In · 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
0.641
Family
Binary Alloy
Matrix Element
In · 0.750
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-1184466
Reference Citation
The crystal structure and related material properties of EuIn3 were obtained from the Materials Project database (MP-ID: mp-1184466, 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_EuIn3
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 6.78698973
_cell_length_b 6.78699460
_cell_length_c 5.32165793
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 120.00003438
_symmetry_Int_Tables_number 1
_chemical_formula_structural EuIn3
_chemical_formula_sum 'Eu2 In6'
_cell_volume 212.29126862
_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 0.33333300 0.66666700 0.75000000 1.0
Eu Eu1 1 0.66666700 0.33333300 0.25000000 1.0
In In2 1 0.15768826 0.31537652 0.25000000 1.0
In In3 1 0.68462348 0.84231074 0.25000000 1.0
In In4 1 0.15768826 0.84231074 0.25000000 1.0
In In5 1 0.84231174 0.68462348 0.75000000 1.0
In In6 1 0.31537652 0.15768926 0.75000000 1.0
In In7 1 0.84231174 0.15768926 0.75000000 1.0
