Te2Mo3W(SeS2)2

High-Entropy Materials HEA

MP-ID: mp-1027570 · Space group: P3m1 (#156)

Materials Project API

Basic Information

Formula

Te2Mo3W(SeS2)2

MP-ID

mp-1027570

Elements

Sites

Density

4.6944

g/cm³

Volume

358.34

Å³

Cell a

3.3121

Cell b

3.3121

Cell c

37.7189

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 8)

2θ	d (Å)	I	hkl
2.34	37.7189	100.0	(0,0,0,1)
4.69	18.8594	6.6	(0,0,0,2)
7.03	12.5730	1.4	(0,0,0,3)
11.73	7.5438	4.4	(0,0,0,5)
31.18	2.8684	1.4	(1,0,-1,0)
36.67	2.4505	3.6	(1,0,-1,8)
44.41	2.0398	2.0	(1,0,-1,13)
55.49	1.6561	1.0	(2,-1,-1,0)

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Energy Properties

Formation Energy/atom

-0.53416

eV/atom

Energy/atom

-20.63228

eV/atom

Energy above Hull

0.1926

eV/atom

Uncorrected Energy

-6.8436

eV/atom

Volume/atom

29.86

Å³

c/a Ratio

11.3882

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Total Mag. Moment

0.0126

μB

Mag. Ordering

Mag. Sites

Magnetization/Volume

0.000040

μB/Å³

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

4.5789

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

13.524%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.2080

smaller = more stable mixing

VEC

5.333

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

3.758

kJ/mol; negative = exothermic mixing

Entropy Norm

0.9426

SS Former

Phase Tendency

Related Tasks

Related computation task IDs (3)

aaacgmcx aaadadrg aaadujyy

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1027570

Reference Citation

The crystal structure and related material properties of Te2Mo3W(SeS2)2 were obtained from the Materials Project database (MP-ID: mp-1027570, 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

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Raw CIF Data

# generated using pymatgen
data_Te2Mo3W(SeS2)2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.31211412
_cell_length_b   3.31211412
_cell_length_c   37.71887000
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   120.00000235
_symmetry_Int_Tables_number   1
_chemical_formula_structural   Te2Mo3W(SeS2)2
_chemical_formula_sum   'Te2 Mo3 W1 Se2 S4'
_cell_volume   358.34378657
_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  0.41857400  1.0
  Te  Te1  1  0.33333300  0.66666700  0.52056800  1.0
  Mo  Mo2  1  0.00000000  0.00000000  0.09393000  1.0
  Mo  Mo3  1  0.33333300  0.66666700  0.28174900  1.0
  Mo  Mo4  1  0.33333300  0.66666700  0.65765500  1.0
  W  W5  1  0.00000000  0.00000000  0.46956900  1.0
  Se  Se6  1  0.00000000  0.00000000  0.70214400  1.0
  Se  Se7  1  0.00000000  0.00000000  0.61313700  1.0
  S  S8  1  0.00000000  0.00000000  0.32228800  1.0
  S  S9  1  0.33333300  0.66666700  0.05339600  1.0
  S  S10  1  0.33333300  0.66666700  0.13447200  1.0
  S  S11  1  0.00000000  0.00000000  0.24126400  1.0

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