Navigation

HEAS Data Platform · Materials Science Database

Pm2NpSe4

Alexandria ALEX

Alex-ID: agm096133334 · Space group: P2/m (#10)

Basic Information

Formula
Pm2NpSe4
Alex-ID
agm096133334
Elements
3
Sites
7
Space group
P2/m (#10)
Crystal system
monoclinic
Volume
213.65
ų
Cell a
7.0691
Å
Cell b
4.2162
Å
Cell c
7.1702
Å
α angle
90.00
°
β angle
91.35
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm2NpSe4
Pm
2.00 · 28.6%
Np
1.00 · 14.3%
Se
4.00 · 57.1%

Energy & Stability

Energy above hull
0.1423
eV/atom
Formation energy
-1.5301
eV/atom
Corrected total energy
-47.1151
eV
Raw total energy
-47.1151
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0039
eV
DOS at Fermi level
8.8969
Total magnetisation
4.5401
μB

Additional Information

Prototype ID

AB2C4_111_spg111

Decomposition

Pm2Se3 Np2Se Np2Se3

Computed at

2025-04-11 12:26:28

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: agm096133334).

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 agm096133334
data_agm096133334
_cell_length_a     7.06913
_cell_length_b     4.21625
_cell_length_c     7.17024
_cell_angle_alpha  90.00000
_cell_angle_beta   91.34774
_cell_angle_gamma  90.00000
_cell_volume       213.65150
_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 0.00000 0.00000 0.50000 1.00000
  Pm2 Pm 0.00000 0.50000 0.00000 1.00000
  Np1 Np 0.50000 0.00000 0.50000 1.00000
  Se1 Se 0.25483 0.50000 0.66259 1.00000
  Se2 Se 0.23606 0.00000 0.17156 1.00000
  Se3 Se 0.76394 0.00000 0.82844 1.00000
  Se4 Se 0.74517 0.50000 0.33741 1.00000
Get direct link