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TiS2

Traditional Materials TRA Elasticity Data ELA

MP-ID: mp-1008682 · Space group: I4/mmm (#139)

Basic Information

Formula
TiS2
MP-ID
mp-1008682
Elements
2
Sites
3
Density
3.9162
g/cm³
Volume
47.49
ų
Cell a
5.2736
Å
Cell b
5.2736
Å
Cell c
5.2736
Å
α Angle
145.22
°
β Angle
145.22
°
γ Angle
50.00
°
Space Group
I4/mmm
Point Group
4/mmm
Crystal System
Tetragonal
Bravais Lattice
tI
Stability
No
Packing Fraction
-

X-ray Diffraction

Diffraction Pattern
X-axis: 2θ (°); Y-axis: relative intensity; Cu Kα ; λ=1.5418 Å
Diffraction Peaks (Top 14)
2θd (Å)Ihkl
18.56 4.7794 26.8 (1,1,-1)
40.24 2.2409 100.0 (2,1,-2)
40.47 2.2289 59.2 (1,-1,0)
44.87 2.0200 9.6 (2,0,-1)
56.28 1.6346 17.4 (3,2,-3)
57.88 1.5931 4.2 (3,3,-3)
58.57 1.5761 17.9 (1,-1,1)
62.00 1.4968 3.3 (2,0,-2)
73.00 1.2961 8.0 (4,2,-3)
73.45 1.2892 29.3 (3,0,-2)
80.36 1.1949 2.8 (4,4,-4)
85.60 1.1346 9.9 (4,1,-3)
86.95 1.1204 5.1 (4,2,-4)
87.54 1.1145 5.7 (2,-2,0)
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Energy Properties

Formation Energy/atom
-1.16335
eV/atom
Energy/atom
-6.55344
eV/atom
Energy above Hull
0.4442
eV/atom
Uncorrected Energy
-6.2181
eV/atom
Volume/atom
15.83
ų
c/a Ratio
1.0000

Electronic Properties

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

Magnetic Properties

Magnetic
No
Total Mag. Moment
0.0102
μB
Mag. Ordering
NM
Mag. Sites
0
Magnetization/Volume
0.000220
μB/ų

Elastic Properties

KVRH
60.041
GPa
GVRH
32.196
GPa
Young's Modulus E
81.941
GPa
Poisson Ratio ν
0.273
Pugh Ratio K/G
1.865
Vickers Hardness Est.
4.353
GPa
Ductility
Brittle
Anisotropy
10.186
Lame λ
38.577
GPa

Feature Analysis

Composition Overview

Element Composition (atomic fraction)
Composition Info
Major / Matrix Element
S · 0.667
Element Family
N/A
Solute Fraction
0.333
Interstitial Fraction
0.000

Traditional Material Features

ROM Blended-Feature Radar
Rating & Classification
Tier
A
Score
0.503
Family
Binary Alloy
Matrix Element
S · 0.667

Elasticity Features

Elastic Modulus Comparison (GPa)
Elastic Features
Elastic Anisotropy AU
10.1860
Homogeneous Poisson ν
0.2730
Debye Temperature
378.4
K
Sound Velocity
3,191.8
m/s
Homogeneity
0.2730

Related Tasks

Citation & References

Materials Project Page
https://materialsproject.org/materials/mp-1008682
Reference Citation

The crystal structure and related material properties of TiS2 were obtained from the Materials Project database (MP-ID: mp-1008682, 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_TiS2
_symmetry_space_group_name_H-M   'P 1'
_cell_length_a   5.27358045
_cell_length_b   5.27358045
_cell_length_c   5.27358045
_cell_angle_alpha   145.22135153
_cell_angle_beta   145.22135153
_cell_angle_gamma   50.00478275
_symmetry_Int_Tables_number   1
_chemical_formula_structural   TiS2
_chemical_formula_sum   'Ti1 S2'
_cell_volume   47.48847673
_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
  Ti  Ti0  1  0.50000000  0.50000000  0.00000000  1.0
  S  S1  1  0.86310400  0.86310400  0.00000000  1.0
  S  S2  1  0.13689600  0.13689600  0.00000000  1.0
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