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HEAS Data Platform · Materials Science Database

MP-ID: mp-1022314 · Space group: Amm2 (#38)

Basic Information

Formula
Mg6FeSn
MP-ID
mp-1022314
Elements
3
Sites
16
Density
3.1753
g/cm³
Volume
335.09
ų
Cell a
4.9244
Å
Cell b
6.3435
Å
Cell c
10.7271
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
90.00
°
Space Group
Amm2
Point Group
mm2
Crystal System
Orthorhombic
Bravais Lattice
oC
Stability
No
Packing Fraction
-

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 24)
2θd (Å)Ihkl
16.23 5.4602 59.4 (0,1,1)
16.53 5.3636 14.1 (0,0,2)
18.01 4.9244 6.4 (1,0,0)
24.34 3.6569 25.6 (1,1,1)
24.54 3.6274 24.2 (1,0,2)
28.13 3.1718 10.4 (0,2,0)
28.66 3.1149 4.4 (0,1,3)
32.80 2.7301 23.9 (0,2,2)
33.41 2.6818 14.3 (0,0,4)
33.61 2.6665 3.1 (1,2,0)
34.06 2.6325 25.0 (1,1,3)
36.49 2.4622 35.3 (2,0,0)
37.67 2.3877 100.0 (1,2,2)
38.21 2.3552 44.0 (1,0,4)
40.18 2.2445 12.9 (2,1,1)
40.30 2.2377 3.3 (2,0,2)
43.63 2.0746 5.3 (0,3,1)
44.23 2.0479 3.1 (0,2,4)
44.58 2.0323 5.3 (0,1,5)
46.70 1.9449 5.3 (2,2,0)
47.04 1.9316 2.6 (2,1,3)
47.56 1.9119 4.3 (1,3,1)
48.12 1.8909 7.7 (1,2,4)
48.46 1.8786 3.7 (1,1,5)
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Energy Properties

Formation Energy/atom
0.11673
eV/atom
Energy/atom
-2.66607
eV/atom
Energy above Hull
0.1794
eV/atom
Uncorrected Energy
-2.6661
eV/atom
Volume/atom
20.94
ų
c/a Ratio
2.1784

Electronic Properties

Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV

Magnetic Properties

Magnetic
Yes
Total Mag. Moment
4.3683
μB
Mag. Ordering
FM
Mag. Sites
1
Magnetization/Volume
0.013040
μB/ų

Elastic Properties

Elastic data not available

Feature Analysis

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Mg · 0.750
Element Family
Alkali-AlkEarth
Solute Fraction
0.250
Interstitial Fraction
0.000
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
1.5495
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
7.252%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.2554
smaller = more stable mixing
VEC
3.000
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
-3.875
kJ/mol; negative = exothermic mixing
Entropy Norm
0.6696
SS Former
0
Phase Tendency
IM

Related Tasks

Related computation task IDs (1)

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-1022314
Reference Citation

The crystal structure and related material properties of Mg6FeSn were obtained from the Materials Project database (MP-ID: mp-1022314, 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…

Style: Ball & Stick
Raw CIF Data
# generated using pymatgen
data_Mg6FeSn
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.92438000
_cell_length_b   6.34351200
_cell_length_c   10.72710500
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   90.00000000
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Mg6FeSn
_chemical_formula_sum   'Mg12 Fe2 Sn2'
_cell_volume   335.09184305
_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  0.24420200  0.08423800  1.0
  Mg  Mg1  1  0.00000000  0.75579800  0.08423800  1.0
  Mg  Mg2  1  0.00000000  0.50000000  0.83689600  1.0
  Mg  Mg3  1  0.50000000  0.23844800  0.91016100  1.0
  Mg  Mg4  1  0.50000000  0.76155200  0.91016100  1.0
  Mg  Mg5  1  0.50000000  0.50000000  0.66641200  1.0
  Mg  Mg6  1  0.00000000  0.74420200  0.58423800  1.0
  Mg  Mg7  1  0.00000000  0.25579800  0.58423800  1.0
  Mg  Mg8  1  0.00000000  0.00000000  0.33689600  1.0
  Mg  Mg9  1  0.50000000  0.73844800  0.41016100  1.0
  Mg  Mg10  1  0.50000000  0.26155200  0.41016100  1.0
  Mg  Mg11  1  0.50000000  0.00000000  0.16641200  1.0
  Fe  Fe12  1  0.00000000  0.50000000  0.33921600  1.0
  Fe  Fe13  1  0.00000000  0.00000000  0.83921600  1.0
  Sn  Sn14  1  0.50000000  0.50000000  0.16867700  1.0
  Sn  Sn15  1  0.50000000  0.00000000  0.66867700  1.0
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