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Tm6Al24GaOs7

高熵材料 HEA

MP-ID: mp-3293205 · Space group: C2/m (#12)

Basic Information

Formula
Tm6Al24GaOs7
MP-ID
mp-3293205
Elements
4
Sites
38
Density
8.0607
g/cm³
Volume
630.89
ų
Cell a
8.7665
Å
Cell b
8.7665
Å
Cell c
9.4519
Å
α Angle
89.99
°
β Angle
90.01
°
γ Angle
119.71
°
Space Group
C2/m
Point Group
2/m
Crystal System
Monoclinic
Bravais Lattice
mC
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
9.36 9.4519 3.8 (0,0,0,1)
11.62 7.6139 1.6 (0,1,-1,0)
11.62 7.6139 1.6 (1,0,-1,0)
11.67 7.5810 4.3 (1,-1,0,0)
14.94 5.9296 32.8 (1,0,-1,-1)
14.94 5.9292 6.3 (1,0,-1,1)
14.98 5.9143 16.9 (1,-1,0,-1)
14.98 5.9134 3.7 (1,-1,0,1)
18.78 4.7259 11.6 (0,0,0,2)
20.17 4.4023 4.4 (1,1,-2,0)
22.14 4.0155 1.0 (1,0,-1,-2)
22.14 4.0152 1.6 (1,0,-1,2)
22.28 3.9907 1.4 (1,1,-2,1)
22.36 3.9762 1.6 (2,-1,-1,1)
23.37 3.8069 48.5 (2,0,-2,0)
23.47 3.7905 24.5 (2,-2,0,0)
25.22 3.5314 17.0 (2,0,-2,-1)
25.22 3.5312 32.3 (2,0,-2,1)
25.31 3.5183 16.6 (2,-2,0,-1)
25.32 3.5179 7.4 (2,-2,0,1)
27.76 3.2140 5.9 (2,-1,-1,-2)
27.76 3.2135 4.2 (2,-1,-1,2)
30.14 2.9648 89.6 (2,0,-2,-2)
30.15 2.9646 92.0 (2,0,-2,2)
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Energy Properties

Formation Energy/atom
-0.65525
eV/atom
Energy/atom
-20.51409
eV/atom
Energy above Hull
0.0000
eV/atom
Uncorrected Energy
-20.5141
eV/atom
Volume/atom
16.60
ų
c/a Ratio
1.0782

Electronic Properties

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

Magnetic Properties

Magnetic
No
Total Mag. Moment
0.0246
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000040
μB/ų

Elastic Properties

Elastic data not available

Feature Analysis

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
Al · 0.632
Element Family
PostTransition-Noble
Solute Fraction
0.368
Interstitial Fraction
0.000
Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
0.9890
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
8.2228
J/mol·K
Ω Parameter
4.0998
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
8.744%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.2870
smaller = more stable mixing
VEC
5.500
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
-2.996
kJ/mol; negative = exothermic mixing
Entropy Norm
0.7134
SS Former
0
Phase Tendency
IM

Related Tasks

Related computation task IDs (1)

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-3293205
Reference Citation

The crystal structure and related material properties of Tm6Al24GaOs7 were obtained from the Materials Project database (MP-ID: mp-3293205, 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_Tm6Al24GaOs7
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   8.76649575
_cell_length_b   8.76649656
_cell_length_c   9.45187764
_cell_angle_alpha   89.99208452
_cell_angle_beta   90.00791493
_cell_angle_gamma   119.71279377
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Tm6Al24GaOs7
_chemical_formula_sum   'Tm6 Al24 Ga1 Os7'
_cell_volume   630.88533530
_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
  Tm  Tm0  1  0.80361126  0.19638874  0.74393375  1.0
  Tm  Tm1  1  0.19638874  0.80361126  0.25606625  1.0
  Tm  Tm2  1  0.38697827  0.19173580  0.75243712  1.0
  Tm  Tm3  1  0.61302173  0.80826420  0.24756288  1.0
  Tm  Tm4  1  0.80826420  0.61302173  0.75243712  1.0
  Tm  Tm5  1  0.19173580  0.38697827  0.24756288  1.0
  Al  Al6  1  0.67245784  0.32754216  0.97963006  1.0
  Al  Al7  1  0.32754216  0.67245784  0.02036994  1.0
  Al  Al8  1  0.33351262  0.66648738  0.48098555  1.0
  Al  Al9  1  0.66648738  0.33351262  0.51901445  1.0
  Al  Al10  1  0.83646487  0.16353513  0.42194864  1.0
  Al  Al11  1  0.16353513  0.83646487  0.57805136  1.0
  Al  Al12  1  0.32623555  0.16334061  0.42676329  1.0
  Al  Al13  1  0.16327859  0.83672141  0.92165543  1.0
  Al  Al14  1  0.67376445  0.83665939  0.57323671  1.0
  Al  Al15  1  0.83672141  0.16327859  0.07834457  1.0
  Al  Al16  1  0.83665939  0.67376445  0.42676329  1.0
  Al  Al17  1  0.67814753  0.85168560  0.91799480  1.0
  Al  Al18  1  0.16334061  0.32623555  0.57323671  1.0
  Al  Al19  1  0.32185247  0.14831440  0.08200520  1.0
  Al  Al20  1  0.14831440  0.32185247  0.91799480  1.0
  Al  Al21  1  0.85168560  0.67814753  0.08200520  1.0
  Al  Al22  1  0.43503806  0.56496194  0.74300967  1.0
  Al  Al23  1  0.56496194  0.43503806  0.25699033  1.0
  Al  Al24  1  0.12103562  0.56227755  0.75049999  1.0
  Al  Al25  1  0.87896438  0.43772245  0.24950001  1.0
  Al  Al26  1  0.43772245  0.87896438  0.75049999  1.0
  Al  Al27  1  0.56227755  0.12103562  0.24950001  1.0
  Al  Al28  1  0.00143565  0.99856435  0.74943253  1.0
  Al  Al29  1  0.99856435  0.00143565  0.25056747  1.0
  Ga  Ga30  1  0.50000000  0.50000000  0.00000000  1.0
  Os  Os31  1  0.00000000  0.50000000  0.00000000  1.0
  Os  Os32  1  0.50000000  0.50000000  0.50000000  1.0
  Os  Os33  1  0.50000000  0.00000000  0.00000000  1.0
  Os  Os34  1  0.00000000  0.50000000  0.50000000  1.0
  Os  Os35  1  0.50000000  0.00000000  0.50000000  1.0
  Os  Os36  1  0.00000000  0.00000000  0.00000000  1.0
  Os  Os37  1  0.00000000  0.00000000  0.50000000  1.0
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