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KPr2SeO5

Alexandria ALEX

Alex-ID: agm005175642 · Space group: I4/mcm (#140)

Alexandria Database API

Basic Information

Formula
KPr2SeO5
Alex-ID
agm005175642
Elements
4
Sites
18
Space group
I4/mcm (#140)
Crystal system
tetragonal
Volume
294.72
ų
Cell a
6.9329
Å
Cell b
6.9329
Å
Cell c
7.8505
Å
α angle
116.20
°
β angle
116.20
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
KPr2SeO5
K
2.00 · 11.1%
Pr
4.00 · 22.2%
Se
2.00 · 11.1%
O
10.00 · 55.6%

Energy & Stability

Energy above hull
0.3960
eV/atom
Formation energy
-2.4208
eV/atom
Corrected total energy
-121.4777
eV
Raw total energy
-114.4548
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0550
eV
DOS at Fermi level
4.8017
Total magnetisation
1.8522
μB

Additional Information

Prototype ID

ABC2D5_41_spg140

Decomposition

KPr(SeO3)2 K2SeO3 Pr4Se3O4 Pr2O3

Computed at

2023-01-17 12:43:03.970102

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: agm005175642).

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 agm005175642
data_agm005175642
_cell_length_a     6.93289
_cell_length_b     6.93289
_cell_length_c     7.85050
_cell_angle_alpha  116.20326
_cell_angle_beta   116.20326
_cell_angle_gamma  90.00000
_cell_volume       294.72041
_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 0.25000 0.50000 1.00000
  K2 K 0.75000 0.75000 0.50000 1.00000
  Pr1 Pr 0.17611 0.32389 0.00000 1.00000
  Pr2 Pr 0.67611 0.17611 1.00000 1.00000
  Pr3 Pr 0.32389 0.82389 0.00000 1.00000
  Pr4 Pr 0.82389 0.67611 0.00000 1.00000
  Se1 Se 0.25000 0.75000 0.50000 1.00000
  Se2 Se 0.75000 0.25000 0.50000 1.00000
  O1 O 0.98629 0.48629 0.23952 1.00000
  O2 O 0.74677 0.24677 0.76048 1.00000
  O3 O 0.01371 0.51371 0.76048 1.00000
  O4 O 0.24677 0.01371 0.76048 1.00000
  O5 O 0.51371 0.74677 0.76048 1.00000
  O6 O 0.75323 0.98629 0.23952 1.00000
  O7 O 0.48629 0.25323 0.23952 1.00000
  O8 O 0.25323 0.75323 0.23952 1.00000
  O9 O 0.50000 0.50000 0.00000 1.00000
  O10 O 0.00000 0.00000 0.00000 1.00000
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