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Al2Ge(I3Br)2

Alexandria ALEX

Alex-ID: agm071436728 · Space group: P4_332 (#212)

Basic Information

Formula
Al2Ge(I3Br)2
Alex-ID
agm071436728
Elements
4
Sites
44
Space group
P4_332 (#212)
Crystal system
cubic
Volume
1,796.26
ų
Cell a
12.1560
Å
Cell b
12.1560
Å
Cell c
12.1560
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Al2Ge(I3Br)2
Al
8.00 · 18.2%
Ge
4.00 · 9.1%
I
24.00 · 54.5%
Br
8.00 · 18.2%

Energy & Stability

Energy above hull
0.0506
eV/atom
Formation energy
-0.6243
eV/atom
Corrected total energy
-126.4898
eV
Raw total energy
-126.4898
eV

Electronic Structure

Indirect band gap
1.9924
eV
Direct band gap
2.0371
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D6_1599_spg212

Decomposition

Al2GeI8 GeI2 AlBr3

Computed at

2024-09-09 02:08:25.971084

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: agm071436728).

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 agm071436728
data_agm071436728
_cell_length_a     12.15597
_cell_length_b     12.15597
_cell_length_c     12.15597
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1796.26025
_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
  Al1 Al 0.74533 0.74533 0.74533 1.00000
  Al2 Al 0.75467 0.25467 0.24533 1.00000
  Al3 Al 0.25467 0.24533 0.75467 1.00000
  Al4 Al 0.24533 0.75467 0.25467 1.00000
  Al5 Al 0.99533 0.49533 0.00467 1.00000
  Al6 Al 0.50467 0.50467 0.50467 1.00000
  Al7 Al 0.49533 0.00467 0.99533 1.00000
  Al8 Al 0.00467 0.99533 0.49533 1.00000
  Ge1 Ge 0.12500 0.12500 0.12500 1.00000
  Ge2 Ge 0.37500 0.87500 0.62500 1.00000
  Ge3 Ge 0.87500 0.62500 0.37500 1.00000
  Ge4 Ge 0.62500 0.37500 0.87500 1.00000
  I1 I 0.37918 0.12627 0.62663 1.00000
  I2 I 0.12082 0.87373 0.12663 1.00000
  I3 I 0.62082 0.62627 0.87337 1.00000
  I4 I 0.87918 0.37373 0.37337 1.00000
  I5 I 0.62663 0.37918 0.12627 1.00000
  I6 I 0.12663 0.12082 0.87373 1.00000
  I7 I 0.87337 0.62082 0.62627 1.00000
  I8 I 0.37337 0.87918 0.37373 1.00000
  I9 I 0.12627 0.62663 0.37918 1.00000
  I10 I 0.87373 0.12663 0.12082 1.00000
  I11 I 0.62627 0.87337 0.62082 1.00000
  I12 I 0.37373 0.37337 0.87918 1.00000
  I13 I 0.37627 0.12918 0.12337 1.00000
  I14 I 0.12373 0.87082 0.62337 1.00000
  I15 I 0.87627 0.37082 0.87663 1.00000
  I16 I 0.62373 0.62918 0.37663 1.00000
  I17 I 0.62918 0.37663 0.62373 1.00000
  I18 I 0.37082 0.87663 0.87627 1.00000
  I19 I 0.87082 0.62337 0.12373 1.00000
  I20 I 0.12918 0.12337 0.37627 1.00000
  I21 I 0.87663 0.87627 0.37082 1.00000
  I22 I 0.37663 0.62373 0.62918 1.00000
  I23 I 0.12337 0.37627 0.12918 1.00000
  I24 I 0.62337 0.12373 0.87082 1.00000
  Br1 Br 0.85346 0.85346 0.85346 1.00000
  Br2 Br 0.64654 0.14654 0.35346 1.00000
  Br3 Br 0.14654 0.35346 0.64654 1.00000
  Br4 Br 0.35346 0.64654 0.14654 1.00000
  Br5 Br 0.10346 0.60346 0.89654 1.00000
  Br6 Br 0.39654 0.39654 0.39654 1.00000
  Br7 Br 0.60346 0.89654 0.10346 1.00000
  Br8 Br 0.89654 0.10346 0.60346 1.00000
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