Eu3W

Traditional Materials TRA

MP-ID: mp-1184504 · Space group: P6_3/mmc (#194)

Materials Project API

Basic Information

Formula

Eu3W

MP-ID

mp-1184504

Elements

Sites

Density

7.8691

g/cm³

Volume

269.99

Å³

Cell a

7.4516

Cell b

7.4516

Cell c

5.6147

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
13.72	6.4533	3.9	(1,0,-1,0)
27.65	3.2266	24.3	(2,0,-2,0)
31.88	2.8073	23.3	(0,0,0,2)
31.99	2.7976	100.0	(2,0,-2,1)
36.85	2.4391	1.0	(3,-1,-2,0)
40.32	2.2371	2.1	(3,-1,-2,1)
42.69	2.1179	15.2	(2,0,-2,2)
45.14	2.0087	2.7	(3,0,-3,1)
48.89	1.8629	19.0	(4,-2,-2,0)
56.87	1.6189	19.5	(2,0,-2,3)
57.09	1.6133	2.8	(4,0,-4,0)
59.56	1.5522	7.0	(2,2,-4,2)
59.56	1.5522	14.0	(4,-2,-2,2)
59.63	1.5506	10.2	(4,0,-4,1)
59.63	1.5506	5.1	(4,-4,0,1)
66.63	1.4037	2.8	(0,0,0,4)
66.89	1.3988	3.5	(4,0,-4,2)
68.72	1.3659	1.4	(5,-1,-4,1)
72.13	1.3095	1.9	(5,-2,-3,2)
73.59	1.2872	3.1	(2,0,-2,4)
78.23	1.2220	7.1	(4,0,-4,3)
78.42	1.2196	1.4	(6,-2,-4,0)
80.61	1.1918	11.5	(6,-2,-4,1)
86.89	1.1211	2.5	(2,2,-4,4)

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Energy Properties

Formation Energy/atom

0.78445

eV/atom

Energy/atom

-40.94816

eV/atom

Energy above Hull

0.7845

eV/atom

Uncorrected Energy

-10.1478

eV/atom

Volume/atom

33.75

Å³

c/a Ratio

0.7535

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

37.9561

μB

Mag. Ordering

FiM

Mag. Sites

Magnetization/Volume

0.140580

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

0.521

Family

Binary Alloy

Matrix Element

Eu · 0.750

Related Tasks

Related computation task IDs (2)

aaadbjre aaadveed

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1184504

Reference Citation

The crystal structure and related material properties of Eu3W were obtained from the Materials Project database (MP-ID: mp-1184504, 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_Eu3W
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   7.45157144
_cell_length_b   7.45157144
_cell_length_c   5.61468900
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   119.99999500
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Eu3W
_chemical_formula_sum   'Eu6 W2'
_cell_volume   269.99274709
_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  0.17934200  0.35868500  0.25000000  1.0
  Eu  Eu1  1  0.64131500  0.82065800  0.25000000  1.0
  Eu  Eu2  1  0.17934200  0.82065800  0.25000000  1.0
  Eu  Eu3  1  0.82065800  0.64131500  0.75000000  1.0
  Eu  Eu4  1  0.35868500  0.17934200  0.75000000  1.0
  Eu  Eu5  1  0.82065800  0.17934200  0.75000000  1.0
  W  W6  1  0.33333300  0.66666700  0.75000000  1.0
  W  W7  1  0.66666700  0.33333300  0.25000000  1.0

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