TeMoWSe2S
High-Entropy Materials HEAMP-ID: mp-1027119 · Space group: P3m1 (#156)
Basic Information
Formula
TeMoWSe2S
MP-ID
mp-1027119
Elements
5
Sites
12
Density
5.3676
g/cm³
Volume
369.61
ų
Cell a
3.3466
Å
Cell b
3.3466
Å
Cell c
38.1074
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 11)
| 2θ | d (Å) | I | hkl |
|---|---|---|---|
| 2.32 | 38.1074 | 100.0 | (0,0,0,1) |
| 4.64 | 19.0537 | 15.2 | (0,0,0,2) |
| 6.96 | 12.7025 | 4.6 | (0,0,0,3) |
| 11.61 | 7.6215 | 7.2 | (0,0,0,5) |
| 13.94 | 6.3512 | 1.3 | (0,0,0,6) |
| 30.85 | 2.8982 | 2.2 | (1,0,-1,0) |
| 33.07 | 2.7090 | 1.2 | (1,0,-1,5) |
| 36.28 | 2.4759 | 5.8 | (1,0,-1,8) |
| 43.93 | 2.0610 | 3.4 | (1,0,-1,13) |
| 45.73 | 1.9841 | 1.2 | (1,0,-1,14) |
| 54.87 | 1.6733 | 1.7 | (2,-1,-1,0) |
Energy Properties
Formation Energy/atom
-0.33840
eV/atom
Energy/atom
-23.59076
eV/atom
Energy above Hull
0.2977
eV/atom
Uncorrected Energy
-6.8488
eV/atom
Volume/atom
30.80
ų
c/a Ratio
11.3870
Electronic Properties
Metallic
Metal
Band Gap
0
eV
Direct Gap
No
CBM
N/A
eV
Magnetic Properties
Magnetic
No
Total Mag. Moment
0.0000
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 · 0.333
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
7.7089
Ω > 1.1 favors solid solution
Atomic Size Mismatch δr
11.764%
δr < 6.6% favors single-phase solid solution
Electronegativity Diff Δχ
0.1936
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
0
Phase Tendency
IM
Related Tasks
Citation & References
Materials Project Page
https://materialsproject.org/materials/mp-1027119
Reference Citation
The crystal structure and related material properties of TeMoWSe2S were obtained from the Materials Project database (MP-ID: mp-1027119, 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_TeMoWSe2S
_symmetry_space_group_name_H-M 'P 1'
_cell_length_a 3.34657032
_cell_length_b 3.34657032
_cell_length_c 38.10739700
_cell_angle_alpha 90.00000000
_cell_angle_beta 90.00000000
_cell_angle_gamma 120.00000624
_symmetry_Int_Tables_number 1
_chemical_formula_structural TeMoWSe2S
_chemical_formula_sum 'Te2 Mo2 W2 Se4 S2'
_cell_volume 369.60666818
_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 0.70762000 1.0
Te Te1 1 0.33333300 0.66666700 0.60750800 1.0
Mo Mo2 1 0.33333300 0.66666700 0.09393400 1.0
Mo Mo3 1 0.33333300 0.66666700 0.46961700 1.0
W W4 1 0.66666700 0.33333300 0.28179400 1.0
W W5 1 0.66666700 0.33333300 0.65757900 1.0
Se Se6 1 0.33333300 0.66666700 0.32575100 1.0
Se Se7 1 0.66666700 0.33333300 0.42589200 1.0
Se Se8 1 0.66666700 0.33333300 0.51337200 1.0
Se Se9 1 0.33333300 0.66666700 0.23781800 1.0
S S10 1 0.66666700 0.33333300 0.05413600 1.0
S S11 1 0.66666700 0.33333300 0.13372700 1.0
