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Te2MoW3(SeS2)2

High-Entropy Materials HEA

MP-ID: mp-1027002 · Space group: P3m1 (#156)

Materials Project API

Basic Information

Formula
Te2MoW3(SeS2)2
MP-ID
mp-1027002
Elements
5
Sites
12
Density
5.1513
g/cm³
Volume
383.22
ų
Cell a
3.3088
Å
Cell b
3.3088
Å
Cell c
40.4186
Å
α Angle
90.00
°
β Angle
90.00
°
γ Angle
120.00
°
Space Group
P3m1
Point Group
3m
Crystal System
Trigonal
Bravais Lattice
hP
Stability
No
Packing Fraction
0.7405

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 7)
2θd (Å)Ihkl
2.19 40.4186 100.0 (0,0,0,1)
4.37 20.2093 2.2 (0,0,0,2)
10.94 8.0837 6.4 (0,0,0,5)
13.14 6.7364 1.3 (0,0,0,6)
31.21 2.8655 1.2 (1,0,-1,0)
36.03 2.4925 3.1 (1,0,-1,8)
42.92 2.1071 2.4 (1,0,-1,13)
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Energy Properties

Formation Energy/atom
-0.47608
eV/atom
Energy/atom
-24.79017
eV/atom
Energy above Hull
0.1935
eV/atom
Uncorrected Energy
-7.1558
eV/atom
Volume/atom
31.94
ų
c/a Ratio
12.2155

Electronic Properties

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

Magnetic Properties

Magnetic
No
Total Mag. Moment
0.0001
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000000
μB/ų

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
S · 0.333
Element Family
Metalloid-Nonmetal
Solute Fraction
0.667
Interstitial Fraction
0.000

High-Entropy Alloy Features

Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
1.5171
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
12.6132
J/mol·K
Ω Parameter
3.1510
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
13.524%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.1863
smaller = more stable mixing
VEC
5.333
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
5.994
kJ/mol; negative = exothermic mixing
Entropy Norm
0.9426
SS Former
0
Phase Tendency
IM

Related Tasks

Related computation task IDs (2)
aaacglhl aaaeaqaj

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-1027002
Reference Citation

The crystal structure and related material properties of Te2MoW3(SeS2)2 were obtained from the Materials Project database (MP-ID: mp-1027002, 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_Te2MoW3(SeS2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.30880012
_cell_length_b   3.30880012
_cell_length_c   40.41864400
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   120.00000249
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Te2MoW3(SeS2)2
_chemical_formula_sum   'Te2 Mo1 W3 Se2 S4'
_cell_volume   383.22464184
_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
  Te  Te0  1  0.33333300  0.66666700  0.32767300  1.0
  Te  Te1  1  0.33333300  0.66666700  0.23247500  1.0
  Mo  Mo2  1  0.33333300  0.66666700  0.09289000  1.0
  W  W3  1  0.33333300  0.66666700  0.47207400  1.0
  W  W4  1  0.66666700  0.33333300  0.28005800  1.0
  W  W5  1  0.66666700  0.33333300  0.65786100  1.0
  Se  Se6  1  0.66666700  0.33333300  0.43033300  1.0
  Se  Se7  1  0.66666700  0.33333300  0.51379900  1.0
  S  S8  1  0.33333300  0.66666700  0.69577400  1.0
  S  S9  1  0.66666700  0.33333300  0.05516900  1.0
  S  S10  1  0.66666700  0.33333300  0.13067700  1.0
  S  S11  1  0.33333300  0.66666700  0.61996600  1.0
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