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PmY2Se3

Alexandria ALEX

Alex-ID: agm020071135 · Space group: Pnma (#62)

Basic Information

Formula
PmY2Se3
Alex-ID
agm020071135
Elements
3
Sites
24
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
595.24
ų
Cell a
5.8131
Å
Cell b
8.3023
Å
Cell c
12.3337
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmY2Se3
Pm
4.00 · 16.7%
Y
8.00 · 33.3%
Se
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0110
eV/atom
Formation energy
-1.7840
eV/atom
Corrected total energy
-155.4101
eV
Raw total energy
-155.4101
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0094
eV
DOS at Fermi level
10.8273
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_768_spg14

Decomposition

PmY4Se5 Pm4YSe5

Computed at

2025-02-28 19:31:55

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: agm020071135).

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 agm020071135
data_agm020071135
_cell_length_a     5.81306
_cell_length_b     8.30228
_cell_length_c     12.33369
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       595.24378
_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 0.88153 0.07686 1.00000
  Pm2 Pm 0.75000 0.38153 0.42314 1.00000
  Pm3 Pm 0.25000 0.61847 0.57686 1.00000
  Pm4 Pm 0.25000 0.11847 0.92314 1.00000
  Y1 Y 0.75000 0.87688 0.75919 1.00000
  Y2 Y 0.75000 0.37688 0.74081 1.00000
  Y3 Y 0.75000 0.86713 0.41458 1.00000
  Y4 Y 0.75000 0.36713 0.08542 1.00000
  Y5 Y 0.25000 0.63287 0.91458 1.00000
  Y6 Y 0.25000 0.13287 0.58542 1.00000
  Y7 Y 0.25000 0.62312 0.25919 1.00000
  Y8 Y 0.25000 0.12312 0.24081 1.00000
  Se1 Se 0.75000 0.63786 0.58892 1.00000
  Se2 Se 0.75000 0.13786 0.91108 1.00000
  Se3 Se 0.75000 0.61448 0.91515 1.00000
  Se4 Se 0.75000 0.11448 0.58485 1.00000
  Se5 Se 0.75000 0.62433 0.24614 1.00000
  Se6 Se 0.75000 0.12433 0.25386 1.00000
  Se7 Se 0.25000 0.87567 0.74614 1.00000
  Se8 Se 0.25000 0.37567 0.75386 1.00000
  Se9 Se 0.25000 0.88552 0.41515 1.00000
  Se10 Se 0.25000 0.38552 0.08485 1.00000
  Se11 Se 0.25000 0.86214 0.08892 1.00000
  Se12 Se 0.25000 0.36214 0.41108 1.00000
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