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Pm2SeO5

Alexandria ALEX

Alex-ID: agm005994899 · Space group: P2_1/c (#14)

Basic Information

Formula
Pm2SeO5
Alex-ID
agm005994899
Elements
3
Sites
32
Space group
P2_1/c (#14)
Crystal system
monoclinic
Volume
469.22
ų
Cell a
6.6418
Å
Cell b
7.1595
Å
Cell c
10.0861
Å
α angle
90.00
°
β angle
101.95
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2SeO5
Pm
8.00 · 25.0%
Se
4.00 · 12.5%
O
20.00 · 62.5%

Energy & Stability

Energy above hull
0.0288
eV/atom
Formation energy
-2.8568
eV/atom
Corrected total energy
-242.5503
eV
Raw total energy
-228.5045
eV

Electronic Structure

Indirect band gap
3.1247
eV
Direct band gap
3.1247
eV
DOS at Fermi level
0.0000
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C5_10_spg14

Decomposition

Pm2O3 Pm2Se3O10 Se

Computed at

2023-09-03 05:09:47

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: agm005994899).

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 agm005994899
data_agm005994899
_cell_length_a     6.64182
_cell_length_b     7.15947
_cell_length_c     10.08613
_cell_angle_alpha  90.00000
_cell_angle_beta   101.94934
_cell_angle_gamma  90.00000
_cell_volume       469.22217
_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 0.75042 0.87957 0.03426 1.00000
  Pm2 Pm 0.25042 0.62043 0.03426 1.00000
  Pm3 Pm 0.58024 0.87650 0.36739 1.00000
  Pm4 Pm 0.08024 0.62350 0.36739 1.00000
  Pm5 Pm 0.91976 0.37650 0.63261 1.00000
  Pm6 Pm 0.41976 0.12350 0.63261 1.00000
  Pm7 Pm 0.74958 0.37957 0.96574 1.00000
  Pm8 Pm 0.24958 0.12043 0.96574 1.00000
  Se1 Se 0.59117 0.40696 0.28496 1.00000
  Se2 Se 0.09117 0.09304 0.28496 1.00000
  Se3 Se 0.90883 0.90696 0.71504 1.00000
  Se4 Se 0.40883 0.59304 0.71504 1.00000
  O1 O 0.95240 0.15054 0.08662 1.00000
  O2 O 0.95073 0.60262 0.13039 1.00000
  O3 O 0.45240 0.34946 0.08662 1.00000
  O4 O 0.45073 0.89738 0.13039 1.00000
  O5 O 0.89171 0.91989 0.28322 1.00000
  O6 O 0.99658 0.26826 0.36855 1.00000
  O7 O 0.39171 0.58011 0.28322 1.00000
  O8 O 0.75922 0.56629 0.42901 1.00000
  O9 O 0.49658 0.23173 0.36855 1.00000
  O10 O 0.25922 0.93371 0.42901 1.00000
  O11 O 0.74078 0.06629 0.57099 1.00000
  O12 O 0.50342 0.76826 0.63145 1.00000
  O13 O 0.24078 0.43371 0.57099 1.00000
  O14 O 0.60829 0.41989 0.71678 1.00000
  O15 O 0.00342 0.73174 0.63145 1.00000
  O16 O 0.10829 0.08011 0.71678 1.00000
  O17 O 0.54927 0.10262 0.86961 1.00000
  O18 O 0.54760 0.65054 0.91338 1.00000
  O19 O 0.04927 0.39738 0.86961 1.00000
  O20 O 0.04760 0.84946 0.91338 1.00000
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