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HEAS Data Platform · Materials Science Database

K2Hf3OF12

Alexandria ALEX

Alex-ID: agm030806375 · Space group: R-3m (#166)

Basic Information

Formula
K2Hf3OF12
Alex-ID
agm030806375
Elements
4
Sites
36
Space group
R-3m (#166)
Crystal system
trigonal
Volume
500.73
ų
Cell a
10.7029
Å
Cell b
10.7029
Å
Cell c
10.7029
Å
α angle
42.21
°
β angle
42.21
°
γ angle
42.21
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Hf3OF12
K
4.00 · 11.1%
Hf
6.00 · 16.7%
O
2.00 · 5.6%
F
24.00 · 66.7%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-3.9917
eV/atom
Corrected total energy
-251.8404
eV
Raw total energy
-250.4358
eV

Electronic Structure

Indirect band gap
6.3496
eV
Direct band gap
6.3597
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0800
μB

Additional Information

Prototype ID

AB2C3D12_32_spg166

Decomposition

K2Hf3OF12

Computed at

2024-09-13 12:48:22.288364

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: agm030806375).

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 agm030806375
data_agm030806375
_cell_length_a     10.70285
_cell_length_b     10.70285
_cell_length_c     10.70285
_cell_angle_alpha  42.20634
_cell_angle_beta   42.20634
_cell_angle_gamma  42.20634
_cell_volume       500.73081
_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 0.00000 0.00000 0.00000 1.00000
  K2 K 0.50000 0.50000 0.50000 1.00000
  K3 K 0.86116 0.86116 0.86116 1.00000
  K4 K 0.13884 0.13884 0.13884 1.00000
  Hf1 Hf 0.42290 0.42290 0.96921 1.00000
  Hf2 Hf 0.42290 0.96921 0.42290 1.00000
  Hf3 Hf 0.96921 0.42290 0.42290 1.00000
  Hf4 Hf 0.57710 0.57710 0.03079 1.00000
  Hf5 Hf 0.03079 0.57710 0.57710 1.00000
  Hf6 Hf 0.57710 0.03079 0.57710 1.00000
  O1 O 0.71443 0.71443 0.71443 1.00000
  O2 O 0.28557 0.28557 0.28557 1.00000
  F1 F 0.64942 0.00000 0.35058 1.00000
  F2 F 0.00000 0.35058 0.64942 1.00000
  F3 F 0.35058 0.64942 0.00000 1.00000
  F4 F 0.35058 0.00000 0.64942 1.00000
  F5 F 0.00000 0.64942 0.35058 1.00000
  F6 F 0.64942 0.35058 0.00000 1.00000
  F7 F 0.65073 0.65073 0.08751 1.00000
  F8 F 0.65073 0.08751 0.65073 1.00000
  F9 F 0.08751 0.65073 0.65073 1.00000
  F10 F 0.34927 0.34927 0.91249 1.00000
  F11 F 0.91249 0.34927 0.34927 1.00000
  F12 F 0.34927 0.91249 0.34927 1.00000
  F13 F 0.91387 0.91387 0.40093 1.00000
  F14 F 0.91387 0.40093 0.91387 1.00000
  F15 F 0.40093 0.91387 0.91387 1.00000
  F16 F 0.08613 0.08613 0.59907 1.00000
  F17 F 0.59907 0.08613 0.08613 1.00000
  F18 F 0.08613 0.59907 0.08613 1.00000
  F19 F 0.70494 0.70494 0.36981 1.00000
  F20 F 0.70494 0.36981 0.70494 1.00000
  F21 F 0.36981 0.70494 0.70494 1.00000
  F22 F 0.29506 0.29506 0.63019 1.00000
  F23 F 0.63019 0.29506 0.29506 1.00000
  F24 F 0.29506 0.63019 0.29506 1.00000
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