EuMg2

Traditional Materials TRA

MP-ID: mp-1101792 · Space group: P6_3/mmc (#194)

Materials Project API

Basic Information

Formula

EuMg2

MP-ID

mp-1101792

Elements

Sites

Density

3.7809

g/cm³

Volume

352.36

Å³

Cell a

6.3132

Cell b

6.3132

Cell c

10.2087

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

Yes

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
16.21	5.4674	20.9	(1,-1,0,0)
16.21	5.4673	41.9	(1,0,-1,0)
17.37	5.1043	39.3	(0,0,0,2)
18.41	4.8197	14.1	(1,-1,0,1)
18.41	4.8197	28.3	(1,0,-1,1)
23.85	3.7311	12.8	(1,-1,0,2)
23.85	3.7310	25.6	(1,0,-1,2)
28.27	3.1566	84.4	(2,-1,-1,0)
28.27	3.1566	42.2	(1,1,-2,0)
30.95	2.8890	50.0	(1,-1,0,3)
30.95	2.8890	100.0	(1,0,-1,3)
32.76	2.7337	8.5	(2,-2,0,0)
32.76	2.7337	17.0	(2,0,-2,0)
33.38	2.6847	87.2	(2,-1,-1,2)
33.38	2.6847	21.8	(1,1,-2,2)
33.38	2.6847	21.8	(1,1,-2,-2)
33.95	2.6406	15.5	(2,-2,0,1)
33.95	2.6406	15.5	(2,0,-2,1)
33.95	2.6406	15.5	(2,0,-2,-1)
35.16	2.5522	3.4	(0,0,0,4)
37.31	2.4098	1.8	(2,0,-2,2)
42.41	2.1312	9.3	(2,-2,0,3)
42.41	2.1312	18.6	(2,0,-2,3)
43.81	2.0665	3.6	(3,-2,-1,0)

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Energy Properties

Formation Energy/atom

-0.08589

eV/atom

Energy/atom

-4.60224

eV/atom

Energy above Hull

0.0000

eV/atom

Uncorrected Energy

-15.7391

eV/atom

Volume/atom

29.36

Å³

c/a Ratio

1.6171

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

30.1294

μB

Mag. Ordering

Unknown

Mag. Sites

Magnetization/Volume

0.085510

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Mg · 0.667

Element Family

N/A

Solute Fraction

0.333

Interstitial Fraction

0.000

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.788

Family

Mg-based Alloy

Matrix Element

Mg · 0.667

Related Tasks

Related computation task IDs (2)

aaaempvo aaaezpes

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1101792

Reference Citation

The crystal structure and related material properties of EuMg2 were obtained from the Materials Project database (MP-ID: mp-1101792, 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_EuMg2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   6.31314516
_cell_length_b   6.31314516
_cell_length_c   10.20866907
_cell_angle_alpha   89.99999702
_cell_angle_beta   89.99999702
_cell_angle_gamma   120.00021131
_symmetry_Int_Tables_number   1
_chemical_formula_structural   EuMg2
_chemical_formula_sum   'Eu4 Mg8'
_cell_volume   352.36306886
_cell_formula_units_Z   4
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  0.43905953  1.0
  Eu  Eu1  1  0.66666700  0.33333300  0.56091973  1.0
  Eu  Eu2  1  0.66666700  0.33333400  0.93915909  1.0
  Eu  Eu3  1  0.33333300  0.66666600  0.06086135  1.0
  Mg  Mg4  1  0.00000000  0.00000000  0.49999432  1.0
  Mg  Mg5  1  -0.00000000  -0.00000000  0.00000554  1.0
  Mg  Mg6  1  0.83272661  0.16727339  0.24994798  1.0
  Mg  Mg7  1  0.83272661  0.66545422  0.24994798  1.0
  Mg  Mg8  1  0.33454578  0.16727339  0.24994798  1.0
  Mg  Mg9  1  0.16727286  0.83272714  0.75005183  1.0
  Mg  Mg10  1  0.16727286  0.33454571  0.75005183  1.0
  Mg  Mg11  1  0.66545529  0.83272814  0.75005183  1.0

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