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Sm4Co9Si5

Alexandria ALEX

Alex-ID: agm008564808 · Space group: P6_3/mmc (#194)

Basic Information

Formula
Sm4Co9Si5
Alex-ID
agm008564808
Elements
3
Sites
36
Space group
P6_3/mmc (#194)
Crystal system
hexagonal
Volume
525.46
ų
Cell a
5.2588
Å
Cell b
5.2588
Å
Cell c
21.9403
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm4Co9Si5
Sm
8.00 · 22.2%
Co
18.00 · 50.0%
Si
10.00 · 27.8%

Energy & Stability

Energy above hull
0.0074
eV/atom
Formation energy
-0.5653
eV/atom
Corrected total energy
-240.5981
eV
Raw total energy
-240.5981
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
21.7016
Total magnetisation
0.0004
μB

Additional Information

Prototype ID

A4B5C9_1_spg194

Decomposition

SmCoSi Sm2Co17 Sm(CoSi)2

Computed at

2024-11-09 00:19:41.307906

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: agm008564808).

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 agm008564808
data_agm008564808
_cell_length_a     5.25877
_cell_length_b     5.25877
_cell_length_c     21.94029
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       525.46245
_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 0.33333 0.66667 0.52805 1.00000
  Sm2 Sm 0.66667 0.33333 0.47195 1.00000
  Sm3 Sm 0.66667 0.33333 0.02805 1.00000
  Sm4 Sm 0.33333 0.66667 0.97195 1.00000
  Sm5 Sm 0.33333 0.66667 0.67380 1.00000
  Sm6 Sm 0.66667 0.33333 0.32620 1.00000
  Sm7 Sm 0.66667 0.33333 0.17380 1.00000
  Sm8 Sm 0.33333 0.66667 0.82620 1.00000
  Co1 Co 0.16492 0.32984 0.08922 1.00000
  Co2 Co 0.83508 0.67016 0.91078 1.00000
  Co3 Co 0.67016 0.83508 0.08922 1.00000
  Co4 Co 0.83508 0.67016 0.58922 1.00000
  Co5 Co 0.32984 0.16492 0.91078 1.00000
  Co6 Co 0.16492 0.32984 0.41078 1.00000
  Co7 Co 0.16492 0.83508 0.08922 1.00000
  Co8 Co 0.32984 0.16492 0.58922 1.00000
  Co9 Co 0.83508 0.16492 0.91078 1.00000
  Co10 Co 0.67016 0.83508 0.41078 1.00000
  Co11 Co 0.83508 0.16492 0.58922 1.00000
  Co12 Co 0.16492 0.83508 0.41078 1.00000
  Co13 Co 0.16816 0.33633 0.25000 1.00000
  Co14 Co 0.83184 0.66367 0.75000 1.00000
  Co15 Co 0.66367 0.83184 0.25000 1.00000
  Co16 Co 0.33633 0.16816 0.75000 1.00000
  Co17 Co 0.16816 0.83184 0.25000 1.00000
  Co18 Co 0.83184 0.16816 0.75000 1.00000
  Si1 Si 0.00000 0.00000 0.00000 1.00000
  Si2 Si 0.00000 0.00000 0.50000 1.00000
  Si3 Si 0.33333 0.66667 0.16795 1.00000
  Si4 Si 0.66667 0.33333 0.83205 1.00000
  Si5 Si 0.66667 0.33333 0.66795 1.00000
  Si6 Si 0.33333 0.66667 0.33205 1.00000
  Si7 Si 0.00000 0.00000 0.17000 1.00000
  Si8 Si 0.00000 0.00000 0.83000 1.00000
  Si9 Si 0.00000 0.00000 0.67000 1.00000
  Si10 Si 0.00000 0.00000 0.33000 1.00000
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