Navigation

HEAS Data Platform · Materials Science Database

Sm4Pu3NpN8

Alexandria ALEX

Alex-ID: agm045440917 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
Sm4Pu3NpN8
Alex-ID
agm045440917
Elements
4
Sites
16
Space group
R-3m (#166)
Crystal system
trigonal
Volume
246.76
ų
Cell a
7.0319
Å
Cell b
7.0319
Å
Cell c
7.0319
Å
α angle
60.16
°
β angle
60.16
°
γ angle
60.16
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm4Pu3NpN8
Sm
4.00 · 25.0%
Pu
3.00 · 18.8%
Np
1.00 · 6.3%
N
8.00 · 50.0%

Energy & Stability

Energy above hull
0.0036
eV/atom
Formation energy
-1.5513
eV/atom
Corrected total energy
-163.2717
eV
Raw total energy
-163.2717
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
25.5355
Total magnetisation
17.1460
μB

Additional Information

Prototype ID

AB3C4D8_63_spg12

Decomposition

SmPu2N3 Sm5NpN6 Sm3Pu2NpN6

Computed at

2025-01-05 20:40:01

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: agm045440917).

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 agm045440917
data_agm045440917
_cell_length_a     7.03188
_cell_length_b     7.03188
_cell_length_c     7.03188
_cell_angle_alpha  60.15972
_cell_angle_beta   60.15972
_cell_angle_gamma  60.15972
_cell_volume       246.75590
_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 0.50000 0.50000 0.50000 1.00000
  Sm2 Sm 0.00000 0.00000 0.50000 1.00000
  Sm3 Sm 0.00000 0.50000 0.00000 1.00000
  Sm4 Sm 0.50000 0.00000 0.00000 1.00000
  Pu1 Pu 0.50000 0.00000 0.50000 1.00000
  Pu2 Pu 0.00000 0.50000 0.50000 1.00000
  Pu3 Pu 0.50000 0.50000 0.00000 1.00000
  Np1 Np 0.00000 0.00000 0.00000 1.00000
  N1 N 0.74935 0.23912 0.23912 1.00000
  N2 N 0.23912 0.74935 0.23912 1.00000
  N3 N 0.25720 0.25720 0.25720 1.00000
  N4 N 0.23912 0.23912 0.74935 1.00000
  N5 N 0.76088 0.76088 0.25065 1.00000
  N6 N 0.74280 0.74280 0.74280 1.00000
  N7 N 0.76088 0.25065 0.76088 1.00000
  N8 N 0.25065 0.76088 0.76088 1.00000
Get direct link