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K4GeBi2F14

Alexandria ALEX

Alex-ID: agm020038775 · Space group: P-1 (#2)

Basic Information

Formula
K4GeBi2F14
Alex-ID
agm020038775
Elements
4
Sites
21
Space group
P-1 (#2)
Crystal system
triclinic
Volume
368.30
ų
Cell a
6.5588
Å
Cell b
7.5286
Å
Cell c
7.9979
Å
α angle
91.31
°
β angle
90.82
°
γ angle
111.08
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K4GeBi2F14
K
4.00 · 19.0%
Ge
1.00 · 4.8%
Bi
2.00 · 9.5%
F
14.00 · 66.7%

Energy & Stability

Energy above hull
0.0238
eV/atom
Formation energy
-2.9625
eV/atom
Corrected total energy
-98.8885
eV
Raw total energy
-98.8885
eV

Electronic Structure

Indirect band gap
4.8205
eV
Direct band gap
4.8205
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4D14_14_spg2

Decomposition

K2GeF6 KBiF4

Computed at

2025-01-14 13:13:08

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: agm020038775).

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 agm020038775
data_agm020038775
_cell_length_a     6.55878
_cell_length_b     7.52860
_cell_length_c     7.99788
_cell_angle_alpha  91.31440
_cell_angle_beta   90.82117
_cell_angle_gamma  111.07549
_cell_volume       368.30079
_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 0.26599 0.52601 0.14308 1.00000
  K2 K 0.85327 0.71957 0.39382 1.00000
  K3 K 0.73401 0.47399 0.85692 1.00000
  K4 K 0.14673 0.28043 0.60618 1.00000
  Ge1 Ge 0.00000 0.00000 0.00000 1.00000
  Bi1 Bi 0.39669 0.82239 0.67808 1.00000
  Bi2 Bi 0.60331 0.17761 0.32192 1.00000
  F1 F 0.94300 0.35542 0.34157 1.00000
  F2 F 0.23003 0.04885 0.85336 1.00000
  F3 F 0.42164 0.65415 0.46755 1.00000
  F4 F 0.76997 0.95115 0.14664 1.00000
  F5 F 0.96101 0.21994 0.93771 1.00000
  F6 F 0.27703 0.97370 0.47552 1.00000
  F7 F 0.03899 0.78006 0.06229 1.00000
  F8 F 0.80685 0.86726 0.83525 1.00000
  F9 F 0.05700 0.64458 0.65843 1.00000
  F10 F 0.19315 0.13274 0.16475 1.00000
  F11 F 0.38657 0.56975 0.82458 1.00000
  F12 F 0.61343 0.43025 0.17542 1.00000
  F13 F 0.72297 0.02630 0.52448 1.00000
  F14 F 0.57836 0.34585 0.53245 1.00000
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