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K2CeAsCO7

Alexandria ALEX

Alex-ID: agm010895602 · Space group: P2_1/m (#11)

Basic Information

Formula
K2CeAsCO7
Alex-ID
agm010895602
Elements
5
Sites
24
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
452.79
ų
Cell a
5.8047
Å
Cell b
7.5901
Å
Cell c
10.2774
Å
α angle
90.00
°
β angle
89.46
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2CeAsCO7
K
4.00 · 16.7%
Ce
2.00 · 8.3%
As
2.00 · 8.3%
C
2.00 · 8.3%
O
14.00 · 58.3%

Energy & Stability

Energy above hull
0.0552
eV/atom
Formation energy
-2.4210
eV/atom
Corrected total energy
-171.5413
eV
Raw total energy
-161.7092
eV

Electronic Structure

Indirect band gap
0.1775
eV
Direct band gap
0.1780
eV
DOS at Fermi level
6.5095
Total magnetisation
2.0099
μB

Additional Information

Prototype ID

ABCD2E7_105_spg2

Decomposition

KCe2(AsO4)3 K5As3O10 K5Ce(CO3)4 CeO2 As2O3

Computed at

2025-02-28 12:57:41

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: agm010895602).

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 agm010895602
data_agm010895602
_cell_length_a     5.80475
_cell_length_b     7.59011
_cell_length_c     10.27737
_cell_angle_alpha  90.00000
_cell_angle_beta   89.45857
_cell_angle_gamma  90.00000
_cell_volume       452.78716
_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 0.74655 0.98993 0.20490 1.00000
  K2 K 0.74655 0.51007 0.20490 1.00000
  K3 K 0.25345 0.01007 0.79510 1.00000
  K4 K 0.25345 0.48993 0.79510 1.00000
  Ce1 Ce 0.20688 0.25000 0.37756 1.00000
  Ce2 Ce 0.79312 0.75000 0.62244 1.00000
  As1 As 0.29449 0.75000 0.42257 1.00000
  As2 As 0.70551 0.25000 0.57743 1.00000
  C1 C 0.25601 0.25000 0.09871 1.00000
  C2 C 0.74399 0.75000 0.90129 1.00000
  O1 O 0.71479 0.75000 0.02312 1.00000
  O2 O 0.05112 0.25000 0.15491 1.00000
  O3 O 0.43183 0.25000 0.18041 1.00000
  O4 O 0.19275 0.56249 0.34901 1.00000
  O5 O 0.19275 0.93751 0.34901 1.00000
  O6 O 0.79504 0.25000 0.41571 1.00000
  O7 O 0.59314 0.75000 0.41914 1.00000
  O8 O 0.40686 0.25000 0.58086 1.00000
  O9 O 0.20496 0.75000 0.58429 1.00000
  O10 O 0.80725 0.06249 0.65099 1.00000
  O11 O 0.80725 0.43751 0.65099 1.00000
  O12 O 0.56817 0.75000 0.81959 1.00000
  O13 O 0.94888 0.75000 0.84509 1.00000
  O14 O 0.28521 0.25000 0.97688 1.00000
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