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Te2Mo3WSe6

High-Entropy Materials HEA

MP-ID: mp-1027711 · Space group: P3m1 (#156)

Materials Project API

Basic Information

Formula
Te2Mo3WSe6
MP-ID
mp-1027711
Elements
4
Sites
12
Density
5.2362
g/cm³
Volume
380.75
ų
Cell a
3.3809
Å
Cell b
3.3809
Å
Cell c
38.4638
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 9)
2θd (Å)Ihkl
2.30 38.4638 100.0 (0,0,0,1)
4.59 19.2319 14.9 (0,0,0,2)
6.89 12.8213 2.6 (0,0,0,3)
11.50 7.6928 6.7 (0,0,0,5)
30.53 2.9279 2.8 (1,0,-1,0)
35.91 2.5007 4.1 (1,0,-1,8)
35.91 2.5007 2.1 (1,-1,0,8)
43.48 2.0812 4.0 (1,0,-1,13)
54.27 1.6904 1.3 (2,-1,-1,0)
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Energy Properties

Formation Energy/atom
-0.51856
eV/atom
Energy/atom
-22.70919
eV/atom
Energy above Hull
0.0842
eV/atom
Uncorrected Energy
-6.5858
eV/atom
Volume/atom
31.73
ų
c/a Ratio
11.3770

Electronic Properties

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

Magnetic Properties

Magnetic
No
Total Mag. Moment
0.0005
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
Se · 0.500
Element Family
Metalloid-Nonmetal
Solute Fraction
0.500
Interstitial Fraction
0.000

High-Entropy Alloy Features

Composite Radar (normalized)
Element-Class Share
Mix Entropy ΔS/R
1.1988
HEA criterion (>1.0 = high entropy)
Mix Entropy ΔS
9.9672
J/mol·K
Ω Parameter
0.0000
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
9.571%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.1983
smaller = more stable mixing
VEC
4.667
valence electron concentration, affects phase stability
Mix Enthalpy ΔH_mix
0.000
kJ/mol; negative = exothermic mixing
Entropy Norm
0.8648
SS Former
0
Phase Tendency
IM

Related Tasks

Related computation task IDs (2)
aaacgmiq aaaeaqzr

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-1027711
Reference Citation

The crystal structure and related material properties of Te2Mo3WSe6 were obtained from the Materials Project database (MP-ID: mp-1027711, 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_Te2Mo3WSe6
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.38085138
_cell_length_b   3.38085138
_cell_length_c   38.46378700
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   119.99998782
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Te2Mo3WSe6
_chemical_formula_sum   'Te2 Mo3 W1 Se6'
_cell_volume   380.74559298
_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  0.66666700  0.33333300  0.42080900  1.0
  Te  Te1  1  0.66666700  0.33333300  0.51850500  1.0
  Mo  Mo2  1  0.33333300  0.66666700  0.09392800  1.0
  Mo  Mo3  1  0.33333300  0.66666700  0.46965900  1.0
  Mo  Mo4  1  0.66666700  0.33333300  0.28178900  1.0
  W  W5  1  0.66666700  0.33333300  0.65755400  1.0
  Se  Se6  1  0.33333300  0.66666700  0.32483400  1.0
  Se  Se7  1  0.33333300  0.66666700  0.70072900  1.0
  Se  Se8  1  0.66666700  0.33333300  0.05088000  1.0
  Se  Se9  1  0.66666700  0.33333300  0.13696900  1.0
  Se  Se10  1  0.33333300  0.66666700  0.23874700  1.0
  Se  Se11  1  0.33333300  0.66666700  0.61434500  1.0
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