Eu3In

Traditional Materials TRA

MP-ID: mp-1184515 · Space group: P6_3/mmc (#194)

Materials Project API

Basic Information

Formula

Eu3In

MP-ID

mp-1184515

Elements

Sites

Density

6.9960

g/cm³

Volume

270.92

Å³

Cell a

7.3916

Cell b

7.3916

Cell c

5.7258

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

Stability

Packing Fraction

0.7405

X-ray Diffraction

Diffraction Pattern

Target / Radiation

X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å

Diffraction Peaks (Top 24)

2θ	d (Å)	I	hkl
20.81	4.2677	2.6	(0,1,-1,1)
20.81	4.2677	2.6	(1,0,-1,1)
20.81	4.2677	2.6	(1,-1,0,1)
27.87	3.2007	23.9	(0,2,-2,0)
27.87	3.2007	23.9	(2,0,-2,0)
27.88	3.2007	23.9	(2,-2,0,0)
31.24	2.8629	72.6	(0,0,0,2)
32.04	2.7938	100.0	(0,2,-2,1)
32.04	2.7938	100.0	(2,0,-2,1)
32.04	2.7938	100.0	(2,-2,0,1)
42.36	2.1338	15.5	(0,2,-2,2)
42.36	2.1338	15.5	(2,0,-2,2)
42.36	2.1338	15.5	(2,-2,0,2)
45.36	1.9995	1.6	(0,3,-3,1)
45.36	1.9995	1.6	(3,0,-3,1)
45.36	1.9994	1.6	(3,-3,0,1)
49.31	1.8479	19.0	(2,2,-4,0)
49.31	1.8479	19.0	(2,-4,2,0)
49.31	1.8479	19.0	(4,-2,-2,0)
56.11	1.6393	20.1	(0,2,-2,3)
56.11	1.6393	20.1	(2,0,-2,3)
56.11	1.6393	20.1	(2,-2,0,3)
57.60	1.6004	2.9	(0,4,-4,0)
57.60	1.6003	2.9	(4,0,-4,0)

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Energy Properties

Formation Energy/atom

-0.22541

eV/atom

Energy/atom

-8.63129

eV/atom

Energy above Hull

0.0259

eV/atom

Uncorrected Energy

-34.8870

eV/atom

Volume/atom

33.87

Å³

c/a Ratio

0.7746

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

44.2058

μB

Mag. Ordering

Unknown

Mag. Sites

Magnetization/Volume

0.163170

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Eu · 0.750

Element Family

N/A

Solute Fraction

0.250

Interstitial Fraction

0.000

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.704

Family

Binary Alloy

Matrix Element

Eu · 0.750

Related Tasks

Related computation task IDs (2)

aaadvetu aaaekwpw

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1184515

Reference Citation

The crystal structure and related material properties of Eu3In were obtained from the Materials Project database (MP-ID: mp-1184515, 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_Eu3In
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.39160256
_cell_length_b   7.39161707
_cell_length_c   5.72578218
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   119.99918421
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Eu3In
_chemical_formula_sum   'Eu6 In2'
_cell_volume   270.92375822
_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  0.17542167  0.35084780  0.25000000  1.0
  Eu  Eu1  1  0.64915340  0.82457741  0.25000000  1.0
  Eu  Eu2  1  0.17542364  0.82457686  0.25000000  1.0
  Eu  Eu3  1  0.82457833  0.64915220  0.75000000  1.0
  Eu  Eu4  1  0.35084660  0.17542259  0.75000000  1.0
  Eu  Eu5  1  0.82457636  0.17542314  0.75000000  1.0
  In  In6  1  0.33333447  0.66666777  0.75000000  1.0
  In  In7  1  0.66666553  0.33333223  0.25000000  1.0

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