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Cs2KBiO4

Alexandria ALEX

Alex-ID: agm034857768 · Space group: I-4 (#82)

Alexandria Database API

Basic Information

Formula
Cs2KBiO4
Alex-ID
agm034857768
Elements
4
Sites
8
Space group
I-4 (#82)
Crystal system
tetragonal
Volume
221.66
ų
Cell a
6.9880
Å
Cell b
6.9880
Å
Cell c
6.9880
Å
α angle
124.73
°
β angle
124.73
°
γ angle
81.99
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Cs2KBiO4
Cs
2.00 · 25.0%
K
1.00 · 12.5%
Bi
1.00 · 12.5%
O
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0159
eV/atom
Formation energy
-1.6014
eV/atom
Corrected total energy
-39.3401
eV
Raw total energy
-36.5309
eV

Electronic Structure

Indirect band gap
1.6429
eV
Direct band gap
1.6429
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0999
μB

Additional Information

Prototype ID

ABC2D4_11_spg121

Decomposition

K3BiO4 Cs3BiO4

Computed at

2024-10-31 14:48:28.244110

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: agm034857768).

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 agm034857768
data_agm034857768
_cell_length_a     6.98803
_cell_length_b     6.98803
_cell_length_c     6.98803
_cell_angle_alpha  124.72989
_cell_angle_beta   124.72989
_cell_angle_gamma  81.98591
_cell_volume       221.65804
_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
  Cs1 Cs 0.75000 0.25000 0.50000 1.00000
  Cs2 Cs 0.50000 0.50000 0.00000 1.00000
  K1 K 0.25000 0.75000 0.50000 1.00000
  Bi1 Bi 0.00000 0.00000 0.00000 1.00000
  O1 O 0.09628 0.72698 0.03894 1.00000
  O2 O 0.27302 0.31196 0.36930 1.00000
  O3 O 0.94266 0.90372 0.63070 1.00000
  O4 O 0.68804 0.05734 0.96106 1.00000
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