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La4Ru

Alexandria ALEX

Alex-ID: agm005411084 · Space group: I4/mmm (#139)

Basic Information

Formula
La4Ru
Alex-ID
agm005411084
Elements
2
Sites
5
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
162.45
ų
Cell a
10.6618
Å
Cell b
10.6618
Å
Cell c
10.6618
Å
α angle
158.52
°
β angle
158.52
°
γ angle
30.57
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
La4Ru
La
4.00 · 80.0%
Ru
1.00 · 20.0%

Energy & Stability

Energy above hull
0.7047
eV/atom
Formation energy
0.4912
eV/atom
Corrected total energy
-26.5294
eV
Raw total energy
-26.5294
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0138
eV
DOS at Fermi level
6.8758
Total magnetisation
-0.0002
μB

Additional Information

Prototype ID

AB4_261_spg139

Decomposition

La4Ru

Computed at

2023-03-17 20:40:36.535092

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: agm005411084).

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 agm005411084
data_agm005411084
_cell_length_a     10.66184
_cell_length_b     10.66184
_cell_length_c     10.66184
_cell_angle_alpha  158.51661
_cell_angle_beta   158.51661
_cell_angle_gamma  30.56559
_cell_volume       162.45269
_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
  La1 La 0.25000 0.75000 0.50000 1.00000
  La2 La 0.57664 0.57664 0.00000 1.00000
  La3 La 0.42336 0.42336 0.00000 1.00000
  La4 La 0.75000 0.25000 0.50000 1.00000
  Ru1 Ru 0.00000 0.00000 0.00000 1.00000
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