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LaOs2

Alexandria ALEX

Alex-ID: agm005501092 · Space group: P-62m (#189)

Basic Information

Formula
LaOs2
Alex-ID
agm005501092
Elements
2
Sites
9
Space group
P-62m (#189)
Crystal system
hexagonal
Volume
240.04
ų
Cell a
8.1191
Å
Cell b
8.1191
Å
Cell c
4.2047
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
LaOs2
La
3.00 · 33.3%
Os
6.00 · 66.7%

Energy & Stability

Energy above hull
0.8748
eV/atom
Formation energy
0.7880
eV/atom
Corrected total energy
-75.0689
eV
Raw total energy
-75.0689
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
11.6941
Total magnetisation
-0.0002
μB

Additional Information

Prototype ID

AB2_1942_spg189

Decomposition

La7Os3 Os

Computed at

2023-03-19 13:27:08.040728

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: agm005501092).

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 agm005501092
data_agm005501092
_cell_length_a     8.11914
_cell_length_b     8.11914
_cell_length_c     4.20473
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       240.04248
_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 0.00000 0.00000 0.50000 1.00000
  La2 La 0.33333 0.66667 0.00000 1.00000
  La3 La 0.66667 0.33333 0.00000 1.00000
  Os1 Os 0.00000 0.25862 0.00000 1.00000
  Os2 Os 0.00000 0.39282 0.50000 1.00000
  Os3 Os 0.25862 0.00000 0.00000 1.00000
  Os4 Os 0.74138 0.74138 0.00000 1.00000
  Os5 Os 0.39282 0.00000 0.50000 1.00000
  Os6 Os 0.60718 0.60718 0.50000 1.00000
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