Navigation

HEAS Data Platform · Materials Science Database

Sm2NpP3

Alexandria ALEX

Alex-ID: agm034863395 · Space group: Fddd (#70)

Basic Information

Formula
Sm2NpP3
Alex-ID
agm034863395
Elements
3
Sites
24
Space group
Fddd (#70)
Crystal system
orthorhombic
Volume
564.03
ų
Cell a
13.4354
Å
Cell b
12.8097
Å
Cell c
7.0165
Å
α angle
79.48
°
β angle
69.62
°
γ angle
30.90
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2NpP3
Sm
8.00 · 33.3%
Np
4.00 · 16.7%
P
12.00 · 50.0%

Energy & Stability

Energy above hull
0.0046
eV/atom
Formation energy
-1.3309
eV/atom
Corrected total energy
-186.4122
eV
Raw total energy
-186.4122
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0043
eV
DOS at Fermi level
42.6876
Total magnetisation
14.3179
μB

Additional Information

Prototype ID

AB2C3_2914_spg15

Decomposition

NpP SmP

Computed at

2025-04-15 08:07:01

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: agm034863395).

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 agm034863395
data_agm034863395
_cell_length_a     13.43542
_cell_length_b     12.80973
_cell_length_c     7.01653
_cell_angle_alpha  79.48323
_cell_angle_beta   69.62167
_cell_angle_gamma  30.89511
_cell_volume       564.02605
_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 0.99885 0.99885 0.50115 1.00000
  Sm2 Sm 0.41777 0.41777 0.58223 1.00000
  Sm3 Sm 0.83223 0.83223 0.66777 1.00000
  Sm4 Sm 0.25115 0.25115 0.74885 1.00000
  Sm5 Sm 0.74885 0.74885 0.25115 1.00000
  Sm6 Sm 0.66777 0.66777 0.83223 1.00000
  Sm7 Sm 0.58223 0.58223 0.41777 1.00000
  Sm8 Sm 0.50115 0.50115 0.99885 1.00000
  Np1 Np 0.91650 0.91650 0.08350 1.00000
  Np2 Np 0.33350 0.33350 0.16650 1.00000
  Np3 Np 0.16650 0.16650 0.33350 1.00000
  Np4 Np 0.08350 0.08350 0.91650 1.00000
  P1 P 0.66472 0.16429 0.84660 1.00000
  P2 P 0.16429 0.66472 0.32438 1.00000
  P3 P 0.58528 0.08571 0.40340 1.00000
  P4 P 0.08571 0.58528 0.92562 1.00000
  P5 P 0.48907 0.01093 0.01093 1.00000
  P6 P 0.01093 0.48907 0.48907 1.00000
  P7 P 0.92562 0.40340 0.08571 1.00000
  P8 P 0.40340 0.92562 0.58528 1.00000
  P9 P 0.32438 0.84660 0.16429 1.00000
  P10 P 0.84660 0.32438 0.66472 1.00000
  P11 P 0.76093 0.23907 0.23907 1.00000
  P12 P 0.23907 0.76093 0.76093 1.00000
Get direct link