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HEAS Data Platform · Materials Science Database

KCo8

Alexandria ALEX

Alex-ID: agm005504652 · Space group: I4/mmm (#139)

Basic Information

Formula
KCo8
Alex-ID
agm005504652
Elements
2
Sites
9
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
119.16
ų
Cell a
5.9231
Å
Cell b
5.9231
Å
Cell c
5.9231
Å
α angle
95.85
°
β angle
95.85
°
γ angle
142.76
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KCo8
K
1.00 · 11.1%
Co
8.00 · 88.9%

Energy & Stability

Energy above hull
0.5619
eV/atom
Formation energy
0.5619
eV/atom
Corrected total energy
-53.0354
eV
Raw total energy
-53.0354
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0004
eV
DOS at Fermi level
7.8294
Total magnetisation
13.4856
μB

Additional Information

Prototype ID

AB8_5_spg139

Decomposition

Co K

Computed at

2023-03-19 13:18:48.639051

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: agm005504652).

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 agm005504652
data_agm005504652
_cell_length_a     5.92306
_cell_length_b     5.92306
_cell_length_c     5.92306
_cell_angle_alpha  95.84999
_cell_angle_beta   95.84999
_cell_angle_gamma  142.76414
_cell_volume       119.15702
_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 0.00000 0.00000 0.00000 1.00000
  Co1 Co 0.69522 0.30478 0.00000 1.00000
  Co2 Co 0.30478 0.69522 0.00000 1.00000
  Co3 Co 0.00000 0.64485 0.64485 1.00000
  Co4 Co 0.30478 0.30478 0.60955 1.00000
  Co5 Co 0.64485 0.00000 0.64485 1.00000
  Co6 Co 0.69522 0.69522 0.39045 1.00000
  Co7 Co 0.00000 0.35515 0.35515 1.00000
  Co8 Co 0.35515 0.00000 0.35515 1.00000
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