Navigation

HEAS Data Platform · Materials Science Database

K2Ce4Br9O2

Alexandria ALEX

Alex-ID: agm008602601 · Space group: P2_1/m (#11)

Basic Information

Formula
K2Ce4Br9O2
Alex-ID
agm008602601
Elements
4
Sites
34
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
1,089.55
ų
Cell a
9.8708
Å
Cell b
11.7567
Å
Cell c
9.7736
Å
α angle
90.00
°
β angle
106.13
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2Ce4Br9O2
K
4.00 · 11.8%
Ce
8.00 · 23.5%
Br
18.00 · 52.9%
O
4.00 · 11.8%

Energy & Stability

Energy above hull
0.0059
eV/atom
Formation energy
-2.2121
eV/atom
Corrected total energy
-177.0368
eV
Raw total energy
-174.2277
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0082
eV
DOS at Fermi level
60.3851
Total magnetisation
10.0008
μB

Additional Information

Prototype ID

A2B2C4D9_1_spg11

Decomposition

K2CeBr5 Ce2Br5 CeBrO Ce

Computed at

2025-02-11 12:56:23

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: agm008602601).

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 agm008602601
data_agm008602601
_cell_length_a     9.87076
_cell_length_b     11.75672
_cell_length_c     9.77357
_cell_angle_alpha  90.00000
_cell_angle_beta   106.12984
_cell_angle_gamma  90.00000
_cell_volume       1089.55265
_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 0.08307 0.48092 0.78310 1.00000
  K2 K 0.91693 0.98092 0.21690 1.00000
  K3 K 0.91693 0.51908 0.21690 1.00000
  K4 K 0.08307 0.01908 0.78310 1.00000
  Ce1 Ce 0.33944 0.75000 0.59808 1.00000
  Ce2 Ce 0.66056 0.25000 0.40192 1.00000
  Ce3 Ce 0.54517 0.45689 0.67943 1.00000
  Ce4 Ce 0.45483 0.95689 0.32057 1.00000
  Ce5 Ce 0.45483 0.54311 0.32057 1.00000
  Ce6 Ce 0.28435 0.25000 0.39278 1.00000
  Ce7 Ce 0.71565 0.75000 0.60722 1.00000
  Ce8 Ce 0.54517 0.04311 0.67943 1.00000
  Br1 Br 0.20160 0.41344 0.12970 1.00000
  Br2 Br 0.60111 0.09392 0.14300 1.00000
  Br3 Br 0.35803 0.25000 0.72474 1.00000
  Br4 Br 0.64197 0.75000 0.27526 1.00000
  Br5 Br 0.21113 0.50191 0.49317 1.00000
  Br6 Br 0.79840 0.58656 0.87030 1.00000
  Br7 Br 0.96389 0.25000 0.36287 1.00000
  Br8 Br 0.03611 0.75000 0.63713 1.00000
  Br9 Br 0.20160 0.08656 0.12970 1.00000
  Br10 Br 0.39889 0.90608 0.85700 1.00000
  Br11 Br 0.78887 0.00191 0.50683 1.00000
  Br12 Br 0.60111 0.40608 0.14300 1.00000
  Br13 Br 0.78887 0.49809 0.50683 1.00000
  Br14 Br 0.39889 0.59392 0.85700 1.00000
  Br15 Br 0.79840 0.91344 0.87030 1.00000
  Br16 Br 0.21113 0.99809 0.49317 1.00000
  Br17 Br 0.75582 0.25000 0.73862 1.00000
  Br18 Br 0.24418 0.75000 0.26138 1.00000
  O1 O 0.48299 0.12790 0.44299 1.00000
  O2 O 0.51701 0.87210 0.55701 1.00000
  O3 O 0.48299 0.37210 0.44299 1.00000
  O4 O 0.51701 0.62790 0.55701 1.00000
Get direct link