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Sm7Ho12Pb

Alexandria ALEX

Alex-ID: agm005809252 · Space group: R-3 (#148)

Alexandria Database API

Basic Information

Formula
Sm7Ho12Pb
Alex-ID
agm005809252
Elements
3
Sites
20
Space group
R-3 (#148)
Crystal system
trigonal
Volume
666.90
ų
Cell a
8.7380
Å
Cell b
8.7380
Å
Cell c
8.7380
Å
α angle
89.08
°
β angle
89.08
°
γ angle
89.08
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm7Ho12Pb
Sm
7.00 · 35.0%
Ho
12.00 · 60.0%
Pb
1.00 · 5.0%

Energy & Stability

Energy above hull
0.2462
eV/atom
Formation energy
0.1702
eV/atom
Corrected total energy
-88.3110
eV
Raw total energy
-88.3110
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
36.0499
Total magnetisation
0.0028
μB

Additional Information

Prototype ID

AB7C12_23_spg148

Decomposition

Sm2Ho7 Sm3Ho2Pb3 Sm

Computed at

2023-07-16 10:35:59.057116

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: agm005809252).

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 agm005809252
data_agm005809252
_cell_length_a     8.73796
_cell_length_b     8.73796
_cell_length_c     8.73796
_cell_angle_alpha  89.07539
_cell_angle_beta   89.07540
_cell_angle_gamma  89.07540
_cell_volume       666.90155
_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 0.21577 0.62552 0.76600 1.00000
  Sm2 Sm 0.37448 0.23400 0.78423 1.00000
  Sm3 Sm 0.23400 0.78423 0.37448 1.00000
  Sm4 Sm 0.50000 0.50000 0.50000 1.00000
  Sm5 Sm 0.76600 0.21577 0.62552 1.00000
  Sm6 Sm 0.62552 0.76600 0.21577 1.00000
  Sm7 Sm 0.78423 0.37448 0.23400 1.00000
  Ho1 Ho 0.00598 0.33834 0.88601 1.00000
  Ho2 Ho 0.66166 0.11399 0.99402 1.00000
  Ho3 Ho 0.46414 0.12289 0.34188 1.00000
  Ho4 Ho 0.87711 0.65812 0.53586 1.00000
  Ho5 Ho 0.11399 0.99402 0.66166 1.00000
  Ho6 Ho 0.65812 0.53586 0.87711 1.00000
  Ho7 Ho 0.34188 0.46414 0.12289 1.00000
  Ho8 Ho 0.88601 0.00598 0.33834 1.00000
  Ho9 Ho 0.12289 0.34188 0.46414 1.00000
  Ho10 Ho 0.53586 0.87711 0.65812 1.00000
  Ho11 Ho 0.33834 0.88601 0.00598 1.00000
  Ho12 Ho 0.99402 0.66166 0.11399 1.00000
  Pb1 Pb 0.00000 0.00000 0.00000 1.00000
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