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K2UO4

Alexandria ALEX

Alex-ID: agm078734069 · Space group: Pnma (#62)

Basic Information

Formula
K2UO4
Alex-ID
agm078734069
Elements
3
Sites
28
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
520.65
ų
Cell a
3.5502
Å
Cell b
11.1622
Å
Cell c
13.1387
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
K2UO4
K
8.00 · 28.6%
U
4.00 · 14.3%
O
16.00 · 57.1%

Energy & Stability

Energy above hull
0.0475
eV/atom
Formation energy
-3.0213
eV/atom
Corrected total energy
-217.8987
eV
Raw total energy
-206.6620
eV

Electronic Structure

Indirect band gap
1.9040
eV
Direct band gap
1.9040
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C4_732_spg57

Decomposition

K2UO4

Computed at

2025-01-09 21:54:45

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: agm078734069).

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 agm078734069
data_agm078734069
_cell_length_a     3.55016
_cell_length_b     11.16215
_cell_length_c     13.13865
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       520.65117
_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 0.75000 0.46150 0.86758 1.00000
  K2 K 0.75000 0.58158 0.61630 1.00000
  K3 K 0.75000 0.96150 0.63242 1.00000
  K4 K 0.75000 0.08158 0.88370 1.00000
  K5 K 0.25000 0.41842 0.38370 1.00000
  K6 K 0.25000 0.53850 0.13242 1.00000
  K7 K 0.25000 0.91842 0.11630 1.00000
  K8 K 0.25000 0.03850 0.36758 1.00000
  U1 U 0.75000 0.22181 0.13423 1.00000
  U2 U 0.75000 0.72181 0.36577 1.00000
  U3 U 0.25000 0.27819 0.63423 1.00000
  U4 U 0.25000 0.77819 0.86577 1.00000
  O1 O 0.75000 0.84339 0.95323 1.00000
  O2 O 0.25000 0.12922 0.56100 1.00000
  O3 O 0.75000 0.34339 0.54677 1.00000
  O4 O 0.25000 0.62922 0.93900 1.00000
  O5 O 0.75000 0.87078 0.43900 1.00000
  O6 O 0.25000 0.15661 0.04677 1.00000
  O7 O 0.75000 0.37078 0.06100 1.00000
  O8 O 0.25000 0.65661 0.45323 1.00000
  O9 O 0.75000 0.22086 0.72077 1.00000
  O10 O 0.75000 0.72086 0.77923 1.00000
  O11 O 0.25000 0.27914 0.22077 1.00000
  O12 O 0.25000 0.77914 0.27923 1.00000
  O13 O 0.75000 0.57063 0.29263 1.00000
  O14 O 0.75000 0.07063 0.20737 1.00000
  O15 O 0.25000 0.42937 0.70737 1.00000
  O16 O 0.25000 0.92937 0.79263 1.00000
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