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K8P

Alexandria ALEX

Alex-ID: agm005503835 · Space group: I4/mmm (#139)

Basic Information

Formula
K8P
Alex-ID
agm005503835
Elements
2
Sites
9
Space group
I4/mmm (#139)
Crystal system
tetragonal
Volume
545.84
ų
Cell a
11.0439
Å
Cell b
11.0439
Å
Cell c
11.0439
Å
α angle
92.58
°
β angle
92.58
°
γ angle
155.50
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K8P
K
8.00 · 88.9%
P
1.00 · 11.1%

Energy & Stability

Energy above hull
0.1112
eV/atom
Formation energy
0.0119
eV/atom
Corrected total energy
-14.1203
eV
Raw total energy
-14.1203
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.3081
Total magnetisation
0.0004
μB

Additional Information

Prototype ID

AB8_3_spg139

Decomposition

K5P4 K

Computed at

2023-03-19 14:39:53.310198

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: agm005503835).

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 agm005503835
data_agm005503835
_cell_length_a     11.04385
_cell_length_b     11.04385
_cell_length_c     11.04385
_cell_angle_alpha  92.57999
_cell_angle_beta   92.57999
_cell_angle_gamma  155.50148
_cell_volume       545.83630
_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 0.61476 0.38524 0.00000 1.00000
  K2 K 0.38524 0.61476 0.00000 1.00000
  K3 K 0.00000 0.67143 0.67143 1.00000
  K4 K 0.38524 0.38524 0.77048 1.00000
  K5 K 0.67143 0.00000 0.67143 1.00000
  K6 K 0.61476 0.61476 0.22952 1.00000
  K7 K 0.00000 0.32857 0.32857 1.00000
  K8 K 0.32857 0.00000 0.32857 1.00000
  P1 P 0.00000 0.00000 0.00000 1.00000
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