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Al4Ir3Ru

Alexandria ALEX

Alex-ID: agm013571908 · Space group: I4/mmm (#139)

Alexandria Database API

Basic Information

Formula
Al4Ir3Ru
Alex-ID
agm013571908
Elements
3
Sites
8
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
108.95
ų
Cell a
6.7293
Å
Cell b
6.7293
Å
Cell c
6.7293
Å
α angle
143.14
°
β angle
143.14
°
γ angle
53.11
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Al4Ir3Ru
Al
4.00 · 50.0%
Ir
3.00 · 37.5%
Ru
1.00 · 12.5%

Energy & Stability

Energy above hull
0.0067
eV/atom
Formation energy
-0.9405
eV/atom
Corrected total energy
-58.3649
eV
Raw total energy
-58.3649
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
1.2713
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C4_671_spg12

Decomposition

Al4Ir3Ru

Computed at

2024-08-25 03:38:33.593815

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: agm013571908).

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 agm013571908
data_agm013571908
_cell_length_a     6.72927
_cell_length_b     6.72927
_cell_length_c     6.72927
_cell_angle_alpha  143.14341
_cell_angle_beta   143.14341
_cell_angle_gamma  53.11014
_cell_volume       108.95417
_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 0.87756 0.37756 0.50000 1.00000
  Al2 Al 0.12244 0.62244 0.50000 1.00000
  Al3 Al 0.62244 0.12244 0.50000 1.00000
  Al4 Al 0.37756 0.87756 0.50000 1.00000
  Ir1 Ir 0.50000 0.50000 0.00000 1.00000
  Ir2 Ir 0.24980 0.24980 0.00000 1.00000
  Ir3 Ir 0.75020 0.75020 0.00000 1.00000
  Ru1 Ru 0.00000 0.00000 0.00000 1.00000
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