Mg6VSn

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-1021712 · Space group: Amm2 (#38)

Materials Project API

Basic Information

Formula

Mg6VSn

MP-ID

mp-1021712

Elements

Sites

Density

3.0326

g/cm³

Volume

345.49

Å³

Cell a

5.0259

Cell b

6.3666

Cell c

10.7972

α Angle

90.00

β Angle

90.00

γ Angle

90.00

Space Group

Amm2

Point Group

mm2

Crystal System

Orthorhombic

Bravais Lattice

Stability

Packing Fraction

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
16.16	5.4842	60.6	(0,1,1)
16.42	5.3986	18.0	(0,0,2)
17.65	5.0259	9.4	(1,0,0)
24.02	3.7053	27.7	(1,1,1)
24.19	3.6786	22.7	(1,0,2)
28.03	3.1833	9.8	(0,2,0)
28.49	3.1331	6.5	(0,1,3)
32.66	2.7421	29.8	(0,2,2)
33.19	2.6993	11.5	(0,0,4)
33.32	2.6893	4.4	(1,2,0)
33.71	2.6588	24.1	(1,1,3)
35.73	2.5129	38.2	(2,0,0)
37.36	2.4071	100.0	(1,2,2)
37.83	2.3780	51.9	(1,0,4)
39.44	2.2845	13.6	(2,1,1)
39.56	2.2782	4.3	(2,0,2)
43.46	2.0824	5.3	(0,3,1)
43.98	2.0588	2.9	(0,2,4)
44.29	2.0450	4.4	(0,1,5)
46.01	1.9724	5.1	(2,2,0)
46.32	1.9603	3.9	(2,1,3)
47.25	1.9238	4.8	(1,3,1)
47.74	1.9051	8.3	(1,2,4)
48.03	1.8942	5.8	(1,1,5)

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Energy Properties

Formation Energy/atom

0.10161

eV/atom

Energy/atom

-2.75793

eV/atom

Energy above Hull

0.1643

eV/atom

Uncorrected Energy

-2.7579

eV/atom

Volume/atom

21.59

Å³

c/a Ratio

2.1483

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Yes

Total Mag. Moment

6.4774

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.018750

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Mg · 0.750

Element Family

Alkali-AlkEarth

Solute Fraction

0.250

Interstitial Fraction

0.000

High-Entropy Alloy Features

Composite Radar (normalized)

Element-Class Share

Mix Entropy ΔS/R

0.7356

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

6.1160

J/mol·K

Ω Parameter

0.8052

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

5.583%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.2256

smaller = more stable mixing

VEC

2.625

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

-7.810

kJ/mol; negative = exothermic mixing

Entropy Norm

0.6696

SS Former

Phase Tendency

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.719

Family

Mg-based Alloy

Matrix Element

Mg · 0.750

Related Tasks

Related computation task IDs (1)

aaacgdug

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1021712

Reference Citation

The crystal structure and related material properties of Mg6VSn were obtained from the Materials Project database (MP-ID: mp-1021712, 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

Loading 3D structure…

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Raw CIF Data

# generated using pymatgen
data_Mg6VSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.02587600
_cell_length_b   6.36663500
_cell_length_c   10.79723900
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg6VSn
_chemical_formula_sum   'Mg12 V2 Sn2'
_cell_volume   345.48916866
_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
  Mg  Mg0  1  0.00000000  0.24757500  0.08214800  1.0
  Mg  Mg1  1  0.00000000  0.75242500  0.08214800  1.0
  Mg  Mg2  1  0.00000000  0.50000000  0.83429500  1.0
  Mg  Mg3  1  0.50000000  0.24463900  0.91469900  1.0
  Mg  Mg4  1  0.50000000  0.75536100  0.91469900  1.0
  Mg  Mg5  1  0.50000000  0.50000000  0.66723100  1.0
  Mg  Mg6  1  0.00000000  0.74757500  0.58214800  1.0
  Mg  Mg7  1  0.00000000  0.25242500  0.58214800  1.0
  Mg  Mg8  1  0.00000000  0.00000000  0.33429500  1.0
  Mg  Mg9  1  0.50000000  0.74463900  0.41469900  1.0
  Mg  Mg10  1  0.50000000  0.25536100  0.41469900  1.0
  Mg  Mg11  1  0.50000000  0.00000000  0.16723100  1.0
  V  V12  1  0.00000000  0.50000000  0.33227600  1.0
  V  V13  1  0.00000000  0.00000000  0.83227600  1.0
  Sn  Sn14  1  0.50000000  0.50000000  0.17250300  1.0
  Sn  Sn15  1  0.50000000  0.00000000  0.67250300  1.0

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