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Cs2KCrF5

Alexandria ALEX

Alex-ID: agm005178170 · Space group: Immm (#71)

Alexandria Database API

Basic Information

Formula
Cs2KCrF5
Alex-ID
agm005178170
Elements
4
Sites
9
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
194.45
ų
Cell a
4.5382
Å
Cell b
6.2718
Å
Cell c
7.8521
Å
α angle
113.54
°
β angle
106.80
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Cs2KCrF5
Cs
2.00 · 22.2%
K
1.00 · 11.1%
Cr
1.00 · 11.1%
F
5.00 · 55.6%

Energy & Stability

Energy above hull
0.1022
eV/atom
Formation energy
-2.8666
eV/atom
Corrected total energy
-45.3405
eV
Raw total energy
-43.3275
eV

Electronic Structure

Indirect band gap
1.0459
eV
Direct band gap
2.1225
eV
DOS at Fermi level
-0.0084
Total magnetisation
4.0000
μB

Additional Information

Prototype ID

ABC2D5_208_spg71

Decomposition

Cs2KCrF6 CsF KF Cr

Computed at

2023-01-24 09:43:26.339543

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: agm005178170).

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 agm005178170
data_agm005178170
_cell_length_a     4.53823
_cell_length_b     6.27181
_cell_length_c     7.85208
_cell_angle_alpha  113.53894
_cell_angle_beta   106.79706
_cell_angle_gamma  90.00000
_cell_volume       194.45081
_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 0.20986 0.20986 0.41973 1.00000
  Cs2 Cs 0.79014 0.79014 0.58027 1.00000
  K1 K 0.00000 0.50000 0.00000 1.00000
  Cr1 Cr 0.50000 0.00000 0.00000 1.00000
  F1 F 0.60869 0.87507 0.21739 1.00000
  F2 F 0.39131 0.12493 0.78261 1.00000
  F3 F 0.39131 0.65768 0.78261 1.00000
  F4 F 0.60869 0.34232 0.21739 1.00000
  F5 F 0.00000 0.00000 0.00000 1.00000
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