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BaSn3Pt

High-Entropy Materials HEA Traditional Materials TRA Elasticity Data ELA

MP-ID: mp-30433 · Space group: I4mm (#107)

Basic Information

Formula
BaSn3Pt
MP-ID
mp-30433
Elements
3
Sites
5
Density
8.3754
g/cm³
Volume
136.51
ų
Cell a
4.9337
Å
Cell b
4.9337
Å
Cell c
6.6088
Å
α Angle
111.97
°
β Angle
111.97
°
γ Angle
89.98
°
Space Group
I4mm
Point Group
4mm
Crystal System
Tetragonal
Bravais Lattice
tI
Stability
Yes
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
15.80 5.6084 14.6 (0,0,1)
19.65 4.5175 15.5 (1,0,-1)
19.66 4.5147 15.6 (1,0,0)
25.53 3.4893 10.8 (1,1,-1)
25.54 3.4879 10.8 (1,-1,0)
29.97 2.9811 37.6 (1,0,-2)
30.00 2.9787 37.4 (1,0,1)
30.15 2.9643 24.7 (1,1,-2)
30.17 2.9618 49.5 (1,-1,1)
30.18 2.9611 24.9 (1,1,0)
31.91 2.8042 11.3 (0,0,2)
36.42 2.4668 100.0 (2,0,-1)
39.91 2.2588 3.1 (2,0,-2)
39.94 2.2574 3.1 (2,0,0)
41.28 2.1871 12.0 (1,1,-3)
41.31 2.1855 11.9 (1,-1,-2)
41.31 2.1855 11.9 (1,-1,2)
41.33 2.1845 11.9 (1,1,1)
41.71 2.1657 2.3 (2,1,-2)
41.72 2.1648 2.4 (2,1,-1)
41.73 2.1647 2.4 (2,-1,-1)
41.73 2.1644 1.2 (1,-2,0)
41.73 2.1644 1.2 (2,-1,0)
44.34 2.0428 13.6 (1,0,-3)
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Energy Properties

Formation Energy/atom
-0.68118
eV/atom
Energy/atom
-4.68495
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-31.1545
eV/atom
Volume/atom
27.30
ų
c/a Ratio
1.3395

Electronic Properties

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

Magnetic Properties

Magnetic
Yes
Total Mag. Moment
0.0000
μB
Mag. Ordering
Unknown
Mag. Sites
0
Magnetization/Volume
0.000000
μB/ų

Elastic Properties

KVRH
60.919
GPa
GVRH
26.771
GPa
Young's Modulus E
70.052
GPa
Poisson Ratio ν
0.308
Pugh Ratio K/G
2.276
Vickers Hardness Est.
2.229
GPa
Ductility
Brittle
Anisotropy
0.028
Lame λ
43.072
GPa

Feature Analysis

Composition Overview

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Sn · 0.600
Element Family
PostTransition-Noble
Solute Fraction
0.400
Interstitial Fraction
0.000

High-Entropy Alloy Features

Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
0.9503
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
7.9005
J/mol·K
Ω Parameter
1.7479
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
16.853%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.4764
smaller = more stable mixing
VEC
4.800
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
-4.119
kJ/mol; negative = exothermic mixing
Entropy Norm
0.8650
SS Former
0
Phase Tendency
IM

Traditional Material Features

ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.699
Family
Sn-rich Multi-Component
Matrix Element
Sn · 0.600

Elasticity Features

Elastic Modulus Comparison (GPa)
Elastic Features
Elastic Anisotropy AU
0.0280
Homogeneous Poisson ν
0.3080
Debye Temperature
212.8
K
Sound Velocity
1,999.1
m/s
Homogeneity
0.3080

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-30433
Reference Citation

The crystal structure and related material properties of BaSn3Pt were obtained from the Materials Project database (MP-ID: mp-30433, 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_BaSn3Pt
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   4.93364896
_cell_length_b   4.93364903
_cell_length_c   6.60881991
_cell_angle_alpha   111.97083013
_cell_angle_beta   111.97083750
_cell_angle_gamma   89.97635850
_symmetry_Int_Tables_number   1
_chemical_formula_structural   BaSn3Pt
_chemical_formula_sum   'Ba1 Sn3 Pt1'
_cell_volume   136.51347261
_cell_formula_units_Z   1
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
  Ba  Ba0  1  0.00160499  0.00160499  0.00319497  1.0
  Sn  Sn1  1  0.75282643  0.25286142  0.50569775  1.0
  Sn  Sn2  1  0.25286142  0.75282643  0.50569775  1.0
  Sn  Sn3  1  0.41779245  0.41779245  0.83505322  1.0
  Pt  Pt4  1  0.65401571  0.65401571  0.30855530  1.0
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