Te2MoWSeS

High-Entropy Materials HEA

MP-ID: mp-1027372 · Space group: P3m1 (#156)

Materials Project API

Basic Information

Formula

Te2MoWSeS

MP-ID

mp-1027372

Elements

Sites

Density

5.4373

g/cm³

Volume

394.58

Å³

Cell a

3.3993

Cell b

3.3993

Cell c

39.4301

α Angle

90.00

β Angle

90.00

γ Angle

120.00

Space Group

P3m1

Point Group

Crystal System

Trigonal

Bravais Lattice

Stability

Packing Fraction

0.7405

X-ray Diffraction

Diffraction Pattern

Target / Radiation

X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å

Diffraction Peaks (Top 5)

2θ	d (Å)	I	hkl
2.24	39.4301	100.0	(0,0,0,1)
4.48	19.7150	2.8	(0,0,0,2)
11.22	7.8860	4.3	(0,0,0,5)
35.52	2.5274	3.6	(1,0,-1,8)
42.81	2.1125	2.3	(1,0,-1,13)

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Energy Properties

Formation Energy/atom

-0.32805

eV/atom

Energy/atom

-25.43136

eV/atom

Energy above Hull

0.1974

eV/atom

Uncorrected Energy

-6.6744

eV/atom

Volume/atom

32.88

Å³

c/a Ratio

11.5995

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Total Mag. Moment

0.0005

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.000000

μB/Å³

Elastic Properties

Elastic data not available

Feature Analysis

Composition Overview

Element Composition (atomic fraction)

Composition Info

Major / Matrix Element

Te · 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

1.5607

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

12.9757

J/mol·K

Ω Parameter

7.9118

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

11.439%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.2015

smaller = more stable mixing

VEC

5.000

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

2.438

kJ/mol; negative = exothermic mixing

Entropy Norm

0.9697

SS Former

Phase Tendency

Related Tasks

Related computation task IDs (2)

aaacglwa aaaeanra

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1027372

Reference Citation

The crystal structure and related material properties of Te2MoWSeS were obtained from the Materials Project database (MP-ID: mp-1027372, 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…

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Raw CIF Data

# generated using pymatgen
data_Te2MoWSeS
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.39928151
_cell_length_b   3.39928151
_cell_length_c   39.43005300
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   119.99999045
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Te2MoWSeS
_chemical_formula_sum   'Te4 Mo2 W2 Se2 S2'
_cell_volume   394.57748297
_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
  Te  Te0  1  0.00000000  0.00000000  0.32873800  1.0
  Te  Te1  1  0.33333300  0.66666700  0.42228000  1.0
  Te  Te2  1  0.33333300  0.66666700  0.51777600  1.0
  Te  Te3  1  0.00000000  0.00000000  0.23374000  1.0
  Mo  Mo4  1  0.00000000  0.00000000  0.09391800  1.0
  Mo  Mo5  1  0.33333300  0.66666700  0.28127400  1.0
  W  W6  1  0.00000000  0.00000000  0.47006100  1.0
  W  W7  1  0.33333300  0.66666700  0.65769900  1.0
  Se  Se8  1  0.00000000  0.00000000  0.69963300  1.0
  Se  Se9  1  0.00000000  0.00000000  0.61571500  1.0
  S  S10  1  0.33333300  0.66666700  0.05582600  1.0
  S  S11  1  0.33333300  0.66666700  0.13208800  1.0

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