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Ta3(Se4Br3)2

Alexandria ALEX

Alex-ID: agm003242558 · Space group: P-1 (#2)

Basic Information

Formula
Ta3(Se4Br3)2
Alex-ID
agm003242558
Elements
3
Sites
34
Space group
P-1 (#2)
Crystal system
triclinic
Volume
1,125.84
ų
Cell a
7.9890
Å
Cell b
11.4465
Å
Cell c
12.9975
Å
α angle
71.46
°
β angle
87.57
°
γ angle
89.36
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ta3(Se4Br3)2
Ta
6.00 · 17.6%
Se
16.00 · 47.1%
Br
12.00 · 35.3%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.6917
eV/atom
Corrected total energy
-170.5591
eV
Raw total energy
-170.5591
eV

Electronic Structure

Indirect band gap
0.4004
eV
Direct band gap
0.4852
eV
DOS at Fermi level
1.0230
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A3B6C8_8_spg2

Decomposition

Ta3(Se4Br3)2

Computed at

2021-12-26 21:22:44.005341

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: agm003242558).

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 agm003242558
data_agm003242558
_cell_length_a     7.98897
_cell_length_b     11.44650
_cell_length_c     12.99749
_cell_angle_alpha  71.45712
_cell_angle_beta   87.56580
_cell_angle_gamma  89.36186
_cell_volume       1125.84199
_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 0.34597 0.50341 0.24689 1.00000
  Ta2 Ta 0.65403 0.49659 0.75311 1.00000
  Ta3 Ta 0.99906 0.00076 0.12459 1.00000
  Ta4 Ta 0.00094 0.99924 0.87541 1.00000
  Ta5 Ta 0.99934 0.00047 0.37651 1.00000
  Ta6 Ta 0.00066 0.99953 0.62349 1.00000
  Se1 Se 0.77583 0.89371 0.29368 1.00000
  Se2 Se 0.22417 0.10629 0.70632 1.00000
  Se3 Se 0.21352 0.88775 0.26842 1.00000
  Se4 Se 0.78648 0.11225 0.73158 1.00000
  Se5 Se 0.21933 0.10968 0.22160 1.00000
  Se6 Se 0.78067 0.89032 0.77840 1.00000
  Se7 Se 0.96618 0.80492 0.05645 1.00000
  Se8 Se 0.03382 0.19508 0.94355 1.00000
  Se9 Se 0.74405 0.95128 0.01951 1.00000
  Se10 Se 0.25595 0.04872 0.98049 1.00000
  Se11 Se 0.25501 0.94689 0.50739 1.00000
  Se12 Se 0.74499 0.05311 0.49261 1.00000
  Se13 Se 0.02708 0.80373 0.55385 1.00000
  Se14 Se 0.21938 0.88808 0.78293 1.00000
  Se15 Se 0.97292 0.19627 0.44615 1.00000
  Se16 Se 0.78062 0.11192 0.21707 1.00000
  Br1 Br 0.86287 0.59597 0.84486 1.00000
  Br2 Br 0.13713 0.40403 0.15514 1.00000
  Br3 Br 0.41398 0.57518 0.84068 1.00000
  Br4 Br 0.66106 0.69535 0.59054 1.00000
  Br5 Br 0.54207 0.59831 0.34198 1.00000
  Br6 Br 0.45793 0.40169 0.65802 1.00000
  Br7 Br 0.09807 0.58623 0.33287 1.00000
  Br8 Br 0.90193 0.41377 0.66713 1.00000
  Br9 Br 0.34113 0.69887 0.08219 1.00000
  Br10 Br 0.65887 0.30113 0.91781 1.00000
  Br11 Br 0.33894 0.30465 0.40946 1.00000
  Br12 Br 0.58602 0.42482 0.15932 1.00000
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