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GeIr2Br

Alexandria ALEX

Alex-ID: agm002833461 · Space group: I-42d (#122)

Basic Information

Formula
GeIr2Br
Alex-ID
agm002833461
Elements
3
Sites
8
Space group
I-42d (#122)
Crystal system
tetragonal
Volume
146.48
ų
Cell a
4.3050
Å
Cell b
4.3050
Å
Cell c
8.4695
Å
α angle
75.28
°
β angle
75.28
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
GeIr2Br
Ge
2.00 · 25.0%
Ir
4.00 · 50.0%
Br
2.00 · 25.0%

Energy & Stability

Energy above hull
0.8921
eV/atom
Formation energy
0.5855
eV/atom
Corrected total energy
-43.3402
eV
Raw total energy
-43.3402
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.0857
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_234_spg122

Decomposition

GeIr GeBr4 Ir

Computed at

2017-02-23 19:12:08

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: agm002833461).

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 agm002833461
data_agm002833461
_cell_length_a     4.30502
_cell_length_b     4.30502
_cell_length_c     8.46947
_cell_angle_alpha  75.27681
_cell_angle_beta   75.27681
_cell_angle_gamma  90.00000
_cell_volume       146.47753
_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
  Ge1 Ge 0.50000 0.50000 0.00000 1.00000
  Ge2 Ge 0.25000 0.75000 0.50000 1.00000
  Ir1 Ir 0.61407 0.12500 0.25000 1.00000
  Ir2 Ir 0.13593 0.62500 0.25000 1.00000
  Ir3 Ir 0.37500 0.38593 0.75000 1.00000
  Ir4 Ir 0.87500 0.86407 0.75000 1.00000
  Br1 Br 0.00000 0.00000 0.00000 1.00000
  Br2 Br 0.75000 0.25000 0.50000 1.00000
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