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Sm8GePd24

Alexandria ALEX

Alex-ID: agm024002964 · Space group: Pm-3m (#221)

Basic Information

Formula
Sm8GePd24
Alex-ID
agm024002964
Elements
3
Sites
33
Space group
Pm-3m (#221)
Crystal system
cubic
Volume
598.83
ų
Cell a
8.4288
Å
Cell b
8.4288
Å
Cell c
8.4288
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm8GePd24
Sm
8.00 · 24.2%
Ge
1.00 · 3.0%
Pd
24.00 · 72.7%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.8560
eV/atom
Corrected total energy
-195.2814
eV
Raw total energy
-195.2814
eV

Electronic Structure

Indirect band gap
0.4979
eV
Direct band gap
0.6618
eV
DOS at Fermi level
0.0175
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB8C24_0_spg221

Decomposition

Sm8GePd24

Computed at

2024-09-13 16:29:47.867611

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: agm024002964).

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 agm024002964
data_agm024002964
_cell_length_a     8.42882
_cell_length_b     8.42882
_cell_length_c     8.42882
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       598.82567
_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 0.25301 0.25301 0.25301 1.00000
  Sm2 Sm 0.74699 0.74699 0.74699 1.00000
  Sm3 Sm 0.74699 0.74699 0.25301 1.00000
  Sm4 Sm 0.74699 0.25301 0.74699 1.00000
  Sm5 Sm 0.25301 0.25301 0.74699 1.00000
  Sm6 Sm 0.25301 0.74699 0.25301 1.00000
  Sm7 Sm 0.25301 0.74699 0.74699 1.00000
  Sm8 Sm 0.74699 0.25301 0.25301 1.00000
  Ge1 Ge 0.00000 0.00000 0.00000 1.00000
  Pd1 Pd 0.25981 0.50000 0.00000 1.00000
  Pd2 Pd 0.74019 0.50000 0.00000 1.00000
  Pd3 Pd 0.00000 0.25981 0.50000 1.00000
  Pd4 Pd 0.50000 0.25981 0.00000 1.00000
  Pd5 Pd 0.00000 0.74019 0.50000 1.00000
  Pd6 Pd 0.50000 0.74019 0.00000 1.00000
  Pd7 Pd 0.50000 0.00000 0.25981 1.00000
  Pd8 Pd 0.25981 0.00000 0.50000 1.00000
  Pd9 Pd 0.50000 0.00000 0.74019 1.00000
  Pd10 Pd 0.74019 0.00000 0.50000 1.00000
  Pd11 Pd 0.00000 0.50000 0.25981 1.00000
  Pd12 Pd 0.00000 0.50000 0.74019 1.00000
  Pd13 Pd 0.25295 0.50000 0.50000 1.00000
  Pd14 Pd 0.74705 0.50000 0.50000 1.00000
  Pd15 Pd 0.50000 0.25295 0.50000 1.00000
  Pd16 Pd 0.50000 0.74705 0.50000 1.00000
  Pd17 Pd 0.50000 0.50000 0.25295 1.00000
  Pd18 Pd 0.50000 0.50000 0.74705 1.00000
  Pd19 Pd 0.28987 0.00000 0.00000 1.00000
  Pd20 Pd 0.71013 0.00000 0.00000 1.00000
  Pd21 Pd 0.00000 0.28987 0.00000 1.00000
  Pd22 Pd 0.00000 0.71013 0.00000 1.00000
  Pd23 Pd 0.00000 0.00000 0.28987 1.00000
  Pd24 Pd 0.00000 0.00000 0.71013 1.00000
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