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KFe4Os

Alexandria ALEX

Alex-ID: agm005455429 · Space group: F-43m (#216)

Basic Information

Formula
KFe4Os
Alex-ID
agm005455429
Elements
3
Sites
6
Space group
F-43m (#216)
Crystal system
cubic
Volume
87.30
ų
Cell a
4.9794
Å
Cell b
4.9794
Å
Cell c
4.9794
Å
α angle
60.00
°
β angle
60.00
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KFe4Os
K
1.00 · 16.7%
Fe
4.00 · 66.7%
Os
1.00 · 16.7%

Energy & Stability

Energy above hull
1.0014
eV/atom
Formation energy
1.0014
eV/atom
Corrected total energy
-40.1745
eV
Raw total energy
-40.1745
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
11.5448
Total magnetisation
9.8053
μB

Additional Information

Prototype ID

ABC4_12_spg216

Decomposition

K Fe Os

Computed at

2023-03-21 08:16:59.136149

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: agm005455429).

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 agm005455429
data_agm005455429
_cell_length_a     4.97936
_cell_length_b     4.97936
_cell_length_c     4.97936
_cell_angle_alpha  60.00000
_cell_angle_beta   60.00000
_cell_angle_gamma  60.00000
_cell_volume       87.29823
_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 0.75000 0.75000 0.75000 1.00000
  Fe1 Fe 0.87871 0.37376 0.37376 1.00000
  Fe2 Fe 0.37376 0.37376 0.87871 1.00000
  Fe3 Fe 0.37376 0.87871 0.37376 1.00000
  Fe4 Fe 0.37376 0.37376 0.37376 1.00000
  Os1 Os 0.00000 0.00000 0.00000 1.00000
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