Navigation

HEAS Data Platform · Materials Science Database

Sm3NiSe2

Alexandria ALEX

Alex-ID: agm005756589 · Space group: Immm (#71)

Basic Information

Formula
Sm3NiSe2
Alex-ID
agm005756589
Elements
3
Sites
6
Space group
Immm (#71)
Crystal system
orthorhombic
Volume
151.36
ų
Cell a
3.9892
Å
Cell b
5.9577
Å
Cell c
7.3083
Å
α angle
114.05
°
β angle
105.84
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3NiSe2
Sm
3.00 · 50.0%
Ni
1.00 · 16.7%
Se
2.00 · 33.3%

Energy & Stability

Energy above hull
0.0774
eV/atom
Formation energy
-1.2652
eV/atom
Corrected total energy
-34.5270
eV
Raw total energy
-34.5270
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
6.2445
Total magnetisation
0.0006
μB

Additional Information

Prototype ID

AB2C3_4_spg71

Decomposition

Sm6NiSe5 SmNi

Computed at

2023-08-23 13:26:38.714946

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: agm005756589).

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 agm005756589
data_agm005756589
_cell_length_a     3.98924
_cell_length_b     5.95769
_cell_length_c     7.30832
_cell_angle_alpha  114.05390
_cell_angle_beta   105.83836
_cell_angle_gamma  90.00001
_cell_volume       151.36139
_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 0.34993 0.34993 0.69987 1.00000
  Sm2 Sm 0.00000 0.00000 0.00000 1.00000
  Sm3 Sm 0.65007 0.65007 0.30013 1.00000
  Ni1 Ni 0.00000 0.50000 0.00000 1.00000
  Se1 Se 0.67270 0.17270 0.34540 1.00000
  Se2 Se 0.32730 0.82730 0.65460 1.00000
Get direct link