TeMoS

High-Entropy Materials HEA Traditional Materials TRA

MP-ID: mp-1023959 · Space group: P3m1 (#156)

Materials Project API

Basic Information

Formula

TeMoS

MP-ID

mp-1023959

Elements

Sites

Density

3.6369

g/cm³

Volume

233.41

Å³

Cell a

3.3602

Cell b

3.3602

Cell c

23.8694

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 11)

2θ	d (Å)	I	hkl
3.70	23.8694	100.0	(0,0,0,1)
7.41	11.9347	5.3	(0,0,0,2)
11.12	7.9565	5.9	(0,0,0,3)
30.72	2.9101	2.7	(1,0,-1,0)
30.96	2.8887	1.9	(1,0,-1,1)
34.28	2.6156	1.4	(1,0,-1,4)
36.15	2.4848	5.4	(1,0,-1,5)
38.32	2.3487	2.7	(1,0,-1,6)
40.76	2.2136	1.2	(1,0,-1,7)
43.44	2.0833	2.9	(1,0,-1,8)
54.77	1.6760	1.1	(2,-1,-1,1)

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Energy Properties

Formation Energy/atom

-0.55873

eV/atom

Energy/atom

-20.39981

eV/atom

Energy above Hull

0.0780

eV/atom

Uncorrected Energy

-6.5346

eV/atom

Volume/atom

38.90

Å³

c/a Ratio

7.1035

Electronic Properties

Metallic

Metal

Band Gap

Direct Gap

CBM

N/A

Magnetic Properties

Magnetic

Total Mag. Moment

0.0011

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

1.0986

HEA criterion (>1.0 = high entropy)

Mix Entropy ΔS

9.1339

J/mol·K

Ω Parameter

4.6215

Ω > 1.1 favors solid solution

Atomic Size Mismatch δr

13.517%

δr < 6.6% favors single-phase solid solution

Electronegativity Diff Δχ

0.2135

smaller = more stable mixing

VEC

5.333

valence electron concentration, affects phase stability

Mix Enthalpy ΔH_mix

2.640

kJ/mol; negative = exothermic mixing

Entropy Norm

1.0000

SS Former

Phase Tendency

Traditional Material Features

ROM Blended-Feature Radar

Rating & Classification

Tier

Score

0.337

Family

Te-rich Multi-Component

Matrix Element

Te · 0.333

Related Tasks

Related computation task IDs (5)

aaadoeex aaadvtab aaadxakd aaaeqeul aaafbdvs

Citation & References

Materials Project Page

https://materialsproject.org/materials/mp-1023959

Reference Citation

The crystal structure and related material properties of TeMoS were obtained from the Materials Project database (MP-ID: mp-1023959, 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_TeMoS
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   3.36023846
_cell_length_b   3.36023846
_cell_length_c   23.86942000
_cell_angle_alpha   90.00000000
_cell_angle_beta   90.00000000
_cell_angle_gamma   120.00000902
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TeMoS
_chemical_formula_sum   'Te2 Mo2 S2'
_cell_volume   233.40634324
_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  0.33333300  0.66666700  0.53062900  1.0
  Te  Te1  1  0.33333300  0.66666700  0.37218200  1.0
  Mo  Mo2  1  0.33333300  0.66666700  0.15045000  1.0
  Mo  Mo3  1  0.66666700  0.33333300  0.45144100  1.0
  S  S4  1  0.66666700  0.33333300  0.08705700  1.0
  S  S5  1  0.66666700  0.33333300  0.21384500  1.0

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