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PmDySeO2

Alexandria ALEX

Alex-ID: agm005010082 · Space group: P2_1/m (#11)

Alexandria Database API

Basic Information

Formula
PmDySeO2
Alex-ID
agm005010082
Elements
4
Sites
10
Space group
P2_1/m (#11)
Crystal system
monoclinic
Volume
197.34
ų
Cell a
4.0697
Å
Cell b
6.5917
Å
Cell c
7.7220
Å
α angle
107.70
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmDySeO2
Pm
2.00 · 20.0%
Dy
2.00 · 20.0%
Se
2.00 · 20.0%
O
4.00 · 40.0%

Energy & Stability

Energy above hull
0.0083
eV/atom
Formation energy
-3.3524
eV/atom
Corrected total energy
-79.0469
eV
Raw total energy
-76.2377
eV

Electronic Structure

Indirect band gap
2.6117
eV
Direct band gap
2.8503
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_1922_spg11

Decomposition

Dy2SeO2 Pm2SeO2

Computed at

2022-08-04 13:09:59.238827

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: agm005010082).

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 agm005010082
data_agm005010082
_cell_length_a     4.06968
_cell_length_b     6.59165
_cell_length_c     7.72196
_cell_angle_alpha  107.69960
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       197.34269
_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 0.25000 0.68756 0.92688 1.00000
  Pm2 Pm 0.75000 0.31244 0.07312 1.00000
  Dy1 Dy 0.25000 0.67364 0.41815 1.00000
  Dy2 Dy 0.75000 0.32636 0.58185 1.00000
  Se1 Se 0.25000 0.04737 0.75500 1.00000
  Se2 Se 0.75000 0.95263 0.24500 1.00000
  O1 O 0.75000 0.51329 0.38481 1.00000
  O2 O 0.25000 0.48671 0.61519 1.00000
  O3 O 0.75000 0.51742 0.87297 1.00000
  O4 O 0.25000 0.48258 0.12703 1.00000
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