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Ta3(Se2S)2

Alexandria ALEX

Alex-ID: agm005653015 · Space group: P-6m2 (#187)

Basic Information

Formula
Ta3(Se2S)2
Alex-ID
agm005653015
Elements
3
Sites
9
Space group
P-6m2 (#187)
Crystal system
hexagonal
Volume
255.65
ų
Cell a
3.4280
Å
Cell b
3.4280
Å
Cell c
25.1204
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ta3(Se2S)2
Ta
3.00 · 33.3%
Se
4.00 · 44.4%
S
2.00 · 22.2%

Energy & Stability

Energy above hull
0.0113
eV/atom
Formation energy
-1.0308
eV/atom
Corrected total energy
-67.0528
eV
Raw total energy
-65.7258
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0006
eV
DOS at Fermi level
8.9326
Total magnetisation
0.2212
μB

Additional Information

Prototype ID

A2B3C4_544_spg156

Decomposition

TaSe2 TaS2

Computed at

2023-06-29 01:11:53.162914

Citation

Alexandria website
https://alexandria.icams.rub.de/
Attribution

The crystal structure and related material properties of this entry were obtained from the Alexandria database (Alex-ID: agm005653015).

Reference

Th. Cavignac, J. Schmidt, P.-P. De Breuck, A. Loew, T. F. T. Cerqueira, H.-C. Wang, A. Bochkarev, Y. Lysogorskiy, A. H. Romero, R. Drautz, S. Botti and M. A. L. Marques. AI-Driven expansion and application of the Alexandria database. J. Phys. Mater. 9, 025014 (2026). https://doi.org/10.1088/2515-7639/ae6620

BibTeX
@article{Cavignac2026Alexandria,
  author  = {Cavignac, Th{\'e}o and Schmidt, Jonathan and De Breuck, Pierre-Paul and Loew, Antoine
             and Cerqueira, Tiago F. T. and Wang, Hai-Chen and Bochkarev, Anton
             and Lysogorskiy, Yury and Romero, Aldo H. and Drautz, Ralf and Botti, Silvana
             and Marques, Miguel A. L.},
  title   = {{AI}-Driven expansion and application of the {A}lexandria database},
  journal = {Journal of Physics: Materials},
  year    = {2026},
  volume  = {9},
  number  = {2},
  pages   = {025014},
  doi     = {10.1088/2515-7639/ae6620},
  url     = {https://doi.org/10.1088/2515-7639/ae6620}
}

3D Crystal Structure Rendering

Loading 3D structure…

Style: Ball & Stick
Raw CIF Data
# CIF generated by HEAS from Alexandria entry agm005653015
data_agm005653015
_cell_length_a     3.42800
_cell_length_b     3.42800
_cell_length_c     25.12039
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  119.99999
_cell_volume       255.64620
_symmetry_space_group_name_H-M 'P 1'
_symmetry_Int_Tables_number 1
loop_
_symmetry_equiv_pos_as_xyz
  'x, y, z'
loop_
_atom_site_label
_atom_site_type_symbol
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
_atom_site_occupancy
  Ta1 Ta 0.00000 0.00000 0.27254 1.00000
  Ta2 Ta 0.00000 0.00000 0.72746 1.00000
  Ta3 Ta 0.66667 0.33333 0.00000 1.00000
  Se1 Se 0.66667 0.33333 0.34012 1.00000
  Se2 Se 0.66667 0.33333 0.79476 1.00000
  Se3 Se 0.66667 0.33333 0.20524 1.00000
  Se4 Se 0.66667 0.33333 0.65988 1.00000
  S1 S 0.00000 0.00000 0.93883 1.00000
  S2 S 0.00000 0.00000 0.06117 1.00000
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