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K9Br3O2

Alexandria ALEX

Alex-ID: agm005608885 · Space group: P-3m1 (#164)

Basic Information

Formula
K9Br3O2
Alex-ID
agm005608885
Elements
3
Sites
14
Space group
P-3m1 (#164)
Crystal system
trigonal
Volume
513.43
ų
Cell a
7.6223
Å
Cell b
7.6223
Å
Cell c
10.2041
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K9Br3O2
K
9.00 · 64.3%
Br
3.00 · 21.4%
O
2.00 · 14.3%

Energy & Stability

Energy above hull
0.0604
eV/atom
Formation energy
-1.2434
eV/atom
Corrected total energy
-42.2627
eV
Raw total energy
-40.8581
eV

Electronic Structure

Indirect band gap
0.3610
eV
Direct band gap
0.5267
eV
DOS at Fermi level
0.4658
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C9_5_spg164

Decomposition

K4Br2O K9O2 K

Computed at

2023-06-14 09:15:47.802659

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: agm005608885).

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 agm005608885
data_agm005608885
_cell_length_a     7.62234
_cell_length_b     7.62234
_cell_length_c     10.20410
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00001
_cell_angle_gamma  120.00000
_cell_volume       513.43065
_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 0.17313 0.82687 0.70065 1.00000
  K2 K 0.17313 0.34627 0.70065 1.00000
  K3 K 0.50000 0.50000 0.00000 1.00000
  K4 K 0.82687 0.65373 0.29935 1.00000
  K5 K 0.34627 0.17313 0.29935 1.00000
  K6 K 0.65373 0.82687 0.70065 1.00000
  K7 K 0.82687 0.17313 0.29935 1.00000
  K8 K 0.00000 0.50000 0.00000 1.00000
  K9 K 0.50000 0.00000 0.00000 1.00000
  Br1 Br 0.66667 0.33333 0.74009 1.00000
  Br2 Br 0.00000 0.00000 0.00000 1.00000
  Br3 Br 0.33333 0.66667 0.25991 1.00000
  O1 O 0.66667 0.33333 0.16151 1.00000
  O2 O 0.33333 0.66667 0.83849 1.00000
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