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SmU2Se5

Alexandria ALEX

Alex-ID: agm005264789 · Space group: Pna2_1 (#33)

Basic Information

Formula
SmU2Se5
Alex-ID
agm005264789
Elements
3
Sites
32
Space group
Pna2_1 (#33)
Crystal system
orthorhombic
Volume
798.68
ų
Cell a
7.7840
Å
Cell b
8.3012
Å
Cell c
12.3603
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmU2Se5
Sm
4.00 · 12.5%
U
8.00 · 25.0%
Se
20.00 · 62.5%

Energy & Stability

Energy above hull
0.0181
eV/atom
Formation energy
-1.3654
eV/atom
Corrected total energy
-222.7028
eV
Raw total energy
-222.7028
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0025
eV
DOS at Fermi level
53.0130
Total magnetisation
20.0032
μB

Additional Information

Prototype ID

AB2C5_1389_spg62

Decomposition

U7Se12 USe2 Sm2Se3

Computed at

2024-10-09 00:28:18

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: agm005264789).

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 agm005264789
data_agm005264789
_cell_length_a     7.78404
_cell_length_b     8.30119
_cell_length_c     12.36030
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       798.68343
_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
  Sm1 Sm 0.01969 0.50292 0.82015 1.00000
  Sm2 Sm 0.98031 0.00292 0.17985 1.00000
  Sm3 Sm 0.51969 0.00292 0.67985 1.00000
  Sm4 Sm 0.48031 0.50292 0.32015 1.00000
  U1 U 0.57770 0.24800 0.99233 1.00000
  U2 U 0.92230 0.24800 0.49233 1.00000
  U3 U 0.42230 0.74800 0.00767 1.00000
  U4 U 0.07770 0.74800 0.50767 1.00000
  U5 U 0.48244 0.00065 0.31979 1.00000
  U6 U 0.51756 0.50065 0.68021 1.00000
  U7 U 0.98244 0.50065 0.18021 1.00000
  U8 U 0.01756 0.00065 0.81979 1.00000
  Se1 Se 0.33946 0.04420 0.10052 1.00000
  Se2 Se 0.16730 0.45145 0.59795 1.00000
  Se3 Se 0.66054 0.54420 0.89948 1.00000
  Se4 Se 0.83270 0.95145 0.40205 1.00000
  Se5 Se 0.66730 0.95145 0.90205 1.00000
  Se6 Se 0.83946 0.54420 0.39948 1.00000
  Se7 Se 0.33270 0.45145 0.09795 1.00000
  Se8 Se 0.16054 0.04420 0.60052 1.00000
  Se9 Se 0.96129 0.25178 0.99932 1.00000
  Se10 Se 0.53871 0.25178 0.49932 1.00000
  Se11 Se 0.03871 0.75178 0.00068 1.00000
  Se12 Se 0.46129 0.75178 0.50068 1.00000
  Se13 Se 0.32607 0.24964 0.81598 1.00000
  Se14 Se 0.17393 0.24964 0.31598 1.00000
  Se15 Se 0.67393 0.74964 0.18402 1.00000
  Se16 Se 0.82607 0.74964 0.68402 1.00000
  Se17 Se 0.70267 0.25136 0.21658 1.00000
  Se18 Se 0.79733 0.25136 0.71658 1.00000
  Se19 Se 0.29733 0.75136 0.78342 1.00000
  Se20 Se 0.20267 0.75136 0.28342 1.00000
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