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Ta3Ga2Br9

Alexandria ALEX

Alex-ID: agm005607309 · Space group: C2/m (#12)

Basic Information

Formula
Ta3Ga2Br9
Alex-ID
agm005607309
Elements
3
Sites
28
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
851.06
ų
Cell a
10.2607
Å
Cell b
9.9591
Å
Cell c
9.9591
Å
α angle
108.23
°
β angle
106.14
°
γ angle
106.14
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Ta3Ga2Br9
Ta
6.00 · 21.4%
Ga
4.00 · 14.3%
Br
18.00 · 64.3%

Energy & Stability

Energy above hull
0.0217
eV/atom
Formation energy
-0.7727
eV/atom
Corrected total energy
-134.9808
eV
Raw total energy
-134.9808
eV

Electronic Structure

Indirect band gap
1.3086
eV
Direct band gap
1.3402
eV
DOS at Fermi level
-0.0016
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C9_30_spg12

Decomposition

GaBr2 Ta5Ga13 Ta2Br5

Computed at

2023-06-14 03:45:25.984492

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: agm005607309).

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 agm005607309
data_agm005607309
_cell_length_a     10.26072
_cell_length_b     9.95914
_cell_length_c     9.95915
_cell_angle_alpha  108.22998
_cell_angle_beta   106.13682
_cell_angle_gamma  106.13681
_cell_volume       851.05586
_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 0.38641 0.10752 0.10752 1.00000
  Ta2 Ta 0.61359 0.89248 0.89248 1.00000
  Ta3 Ta 0.64067 0.03004 0.21048 1.00000
  Ta4 Ta 0.35933 0.78952 0.96996 1.00000
  Ta5 Ta 0.35933 0.96996 0.78952 1.00000
  Ta6 Ta 0.64067 0.21048 0.03004 1.00000
  Ga1 Ga 0.15365 0.52419 0.21722 1.00000
  Ga2 Ga 0.84635 0.78278 0.47581 1.00000
  Ga3 Ga 0.84635 0.47581 0.78278 1.00000
  Ga4 Ga 0.15365 0.21722 0.52419 1.00000
  Br1 Br 0.50000 0.22562 0.77438 1.00000
  Br2 Br 0.16094 0.49343 0.92399 1.00000
  Br3 Br 0.16094 0.92399 0.49343 1.00000
  Br4 Br 0.83906 0.50657 0.07601 1.00000
  Br5 Br 0.76991 0.74182 0.74182 1.00000
  Br6 Br 0.23009 0.25818 0.25818 1.00000
  Br7 Br 0.53426 0.39494 0.16927 1.00000
  Br8 Br 0.46574 0.83073 0.60506 1.00000
  Br9 Br 0.46574 0.60506 0.83073 1.00000
  Br10 Br 0.53426 0.16927 0.39494 1.00000
  Br11 Br 0.15015 0.69694 0.69694 1.00000
  Br12 Br 0.81588 0.90490 0.12961 1.00000
  Br13 Br 0.81588 0.12961 0.90490 1.00000
  Br14 Br 0.18412 0.09510 0.87039 1.00000
  Br15 Br 0.18412 0.87039 0.09510 1.00000
  Br16 Br 0.50000 0.77438 0.22562 1.00000
  Br17 Br 0.84985 0.30306 0.30306 1.00000
  Br18 Br 0.83906 0.07601 0.50657 1.00000
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