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PmU2Se3

Alexandria ALEX

Alex-ID: agm017341986 · Space group: Pnma (#62)

Basic Information

Formula
PmU2Se3
Alex-ID
agm017341986
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
587.93
ų
Cell a
5.8148
Å
Cell b
8.1862
Å
Cell c
12.3512
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmU2Se3
Pm
4.00 · 16.7%
U
8.00 · 33.3%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0931
eV/atom
Formation energy
-1.2509
eV/atom
Corrected total energy
-181.2178
eV
Raw total energy
-181.2178
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0019
eV
DOS at Fermi level
56.5413
Total magnetisation
22.8010
μB

Additional Information

Prototype ID

AB2C3_1824_spg62

Decomposition

Pm2Se3 U2Se U2Se3

Computed at

2025-04-14 08:30:28

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: agm017341986).

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 agm017341986
data_agm017341986
_cell_length_a     5.81479
_cell_length_b     8.18617
_cell_length_c     12.35118
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       587.92656
_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
  Pm1 Pm 0.75000 0.87502 0.07952 1.00000
  Pm2 Pm 0.75000 0.37502 0.42048 1.00000
  Pm3 Pm 0.25000 0.62498 0.57952 1.00000
  Pm4 Pm 0.25000 0.12498 0.92048 1.00000
  U1 U 0.75000 0.87559 0.75400 1.00000
  U2 U 0.75000 0.37559 0.74600 1.00000
  U3 U 0.75000 0.87644 0.41533 1.00000
  U4 U 0.75000 0.37644 0.08467 1.00000
  U5 U 0.25000 0.62356 0.91533 1.00000
  U6 U 0.25000 0.12356 0.58467 1.00000
  U7 U 0.25000 0.62441 0.25400 1.00000
  U8 U 0.25000 0.12441 0.24600 1.00000
  Se1 Se 0.75000 0.63275 0.58530 1.00000
  Se2 Se 0.75000 0.13275 0.91470 1.00000
  Se3 Se 0.75000 0.61853 0.91417 1.00000
  Se4 Se 0.75000 0.11853 0.58583 1.00000
  Se5 Se 0.75000 0.62534 0.25083 1.00000
  Se6 Se 0.75000 0.12534 0.24917 1.00000
  Se7 Se 0.25000 0.87466 0.75083 1.00000
  Se8 Se 0.25000 0.37466 0.74917 1.00000
  Se9 Se 0.25000 0.88147 0.41417 1.00000
  Se10 Se 0.25000 0.38147 0.08583 1.00000
  Se11 Se 0.25000 0.86725 0.08530 1.00000
  Se12 Se 0.25000 0.36725 0.41470 1.00000
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