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K2CuBiO4

Alexandria ALEX

Alex-ID: agm004761069 · Space group: I-4 (#82)

Basic Information

Formula
K2CuBiO4
Alex-ID
agm004761069
Elements
4
Sites
8
Space group
I-4 (#82)
Crystal system
tetragonal
Volume
139.66
ų
Cell a
5.6912
Å
Cell b
5.6912
Å
Cell c
5.6912
Å
α angle
101.06
°
β angle
113.84
°
γ angle
113.84
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2CuBiO4
K
2.00 · 25.0%
Cu
1.00 · 12.5%
Bi
1.00 · 12.5%
O
4.00 · 50.0%

Energy & Stability

Energy above hull
0.1259
eV/atom
Formation energy
-1.4207
eV/atom
Corrected total energy
-41.4437
eV
Raw total energy
-38.6345
eV

Electronic Structure

Indirect band gap
0.2080
eV
Direct band gap
0.2080
eV
DOS at Fermi level
1.7233
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2D4_368_spg23

Decomposition

KCuO2 KBiO2

Computed at

2022-07-18 19:38:08.447181

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: agm004761069).

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 agm004761069
data_agm004761069
_cell_length_a     5.69124
_cell_length_b     5.69124
_cell_length_c     5.69124
_cell_angle_alpha  101.05590
_cell_angle_beta   113.83578
_cell_angle_gamma  113.83578
_cell_volume       139.65800
_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 0.50000 0.75000 0.25000 1.00000
  K2 K 0.00000 0.00000 0.00000 1.00000
  Cu1 Cu 0.00000 0.50000 0.50000 1.00000
  Bi1 Bi 0.50000 0.25000 0.75000 1.00000
  O1 O 0.59233 0.32198 0.42797 1.00000
  O2 O 0.10600 0.27036 0.67802 1.00000
  O3 O 0.89400 0.57203 0.16436 1.00000
  O4 O 0.40767 0.83564 0.72965 1.00000
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