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K2SiOs

Alexandria ALEX

Alex-ID: agm004364041 · Space group: Imm2 (#44)

Basic Information

Formula
K2SiOs
Alex-ID
agm004364041
Elements
3
Sites
4
Space group
Imm2 (#44)
Crystal system
orthorhombic
Volume
113.71
ų
Cell a
6.5484
Å
Cell b
6.5484
Å
Cell c
6.5484
Å
α angle
148.89
°
β angle
127.70
°
γ angle
62.11
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2SiOs
K
2.00 · 50.0%
Os
1.00 · 25.0%
Si
1.00 · 25.0%

Energy & Stability

Energy above hull
0.7179
eV/atom
Formation energy
0.5298
eV/atom
Corrected total energy
-16.7378
eV
Raw total energy
-16.7378
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0823
eV
DOS at Fermi level
1.4403
Total magnetisation
0.0003
μB

Additional Information

Prototype ID

ABC2_6853_spg71

Decomposition

Si3Os2 K Os

Computed at

2023-03-04 06:13:56.918956

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: agm004364041).

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 agm004364041
data_agm004364041
_cell_length_a     6.54844
_cell_length_b     6.54844
_cell_length_c     6.54844
_cell_angle_alpha  148.89175
_cell_angle_beta   127.70400
_cell_angle_gamma  62.11001
_cell_volume       113.71012
_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
  K1 K 0.03012 0.03012 0.00000 1.00000
  K2 K 0.72815 0.22815 0.50000 1.00000
  Os1 Os 0.43447 0.43447 1.00000 1.00000
  Si1 Si 0.30726 0.80726 0.50000 1.00000
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