Navigation

HEAS Data Platform · Materials Science Database

SmBeCoSi2

Alexandria ALEX

Alex-ID: agm005019345 · Space group: I-4m2 (#119)

Basic Information

Formula
SmBeCoSi2
Alex-ID
agm005019345
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
75.38
ų
Cell a
3.9044
Å
Cell b
3.9044
Å
Cell c
5.6632
Å
α angle
110.16
°
β angle
110.16
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmBeCoSi2
Sm
1.00 · 20.0%
Be
1.00 · 20.0%
Co
1.00 · 20.0%
Si
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0552
eV/atom
Formation energy
-0.6069
eV/atom
Corrected total energy
-29.4540
eV
Raw total energy
-29.4540
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.2360
eV
DOS at Fermi level
3.7507
Total magnetisation
0.0644
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

Sm3(BeSi2)2 BeCo2Si CoSi

Computed at

2022-07-03 22:59:46.100804

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: agm005019345).

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 agm005019345
data_agm005019345
_cell_length_a     3.90435
_cell_length_b     3.90435
_cell_length_c     5.66324
_cell_angle_alpha  110.16408
_cell_angle_beta   110.16408
_cell_angle_gamma  90.00000
_cell_volume       75.37730
_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 0.00000 0.00000 0.00000 1.00000
  Be1 Be 0.75000 0.25000 0.50000 1.00000
  Co1 Co 0.25000 0.75000 0.50000 1.00000
  Si1 Si 0.62658 0.62658 0.25316 1.00000
  Si2 Si 0.37342 0.37342 0.74684 1.00000
Get direct link