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KCeIO2

Alexandria ALEX

Alex-ID: agm005010305 · Space group: P2_1/m (#11)

Basic Information

Formula
KCeIO2
Alex-ID
agm005010305
Elements
4
Sites
10
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
267.20
ų
Cell a
4.3381
Å
Cell b
7.2858
Å
Cell c
8.7869
Å
α angle
105.83
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KCeIO2
K
2.00 · 20.0%
Ce
2.00 · 20.0%
I
2.00 · 20.0%
O
4.00 · 40.0%

Energy & Stability

Energy above hull
0.2439
eV/atom
Formation energy
-2.7068
eV/atom
Corrected total energy
-64.0734
eV
Raw total energy
-61.2642
eV

Electronic Structure

Indirect band gap
1.7468
eV
Direct band gap
1.7592
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_1922_spg11

Decomposition

CeO2 KI

Computed at

2022-07-04 21:30:30.375262

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: agm005010305).

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 agm005010305
data_agm005010305
_cell_length_a     4.33806
_cell_length_b     7.28584
_cell_length_c     8.78686
_cell_angle_alpha  105.82523
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       267.19515
_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 0.25000 0.69078 0.94763 1.00000
  K2 K 0.75000 0.30922 0.05237 1.00000
  Ce1 Ce 0.25000 0.63885 0.40490 1.00000
  Ce2 Ce 0.75000 0.36115 0.59510 1.00000
  I1 I 0.25000 0.03488 0.72446 1.00000
  I2 I 0.75000 0.96512 0.27554 1.00000
  O1 O 0.75000 0.56961 0.44527 1.00000
  O2 O 0.25000 0.43039 0.55473 1.00000
  O3 O 0.75000 0.49451 0.81821 1.00000
  O4 O 0.25000 0.50549 0.18179 1.00000
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