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Sm12Tm7Pb

Alexandria ALEX

Alex-ID: agm005809200 · Space group: R-3 (#148)

Alexandria Database API

Basic Information

Formula
Sm12Tm7Pb
Alex-ID
agm005809200
Elements
3
Sites
20
Space group
R-3 (#148)
Crystal system
trigonal
Volume
651.85
ų
Cell a
8.6712
Å
Cell b
8.6712
Å
Cell c
8.6712
Å
α angle
89.36
°
β angle
89.36
°
γ angle
89.36
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm12Tm7Pb
Sm
12.00 · 60.0%
Tm
7.00 · 35.0%
Pb
1.00 · 5.0%

Energy & Stability

Energy above hull
0.2226
eV/atom
Formation energy
0.1477
eV/atom
Corrected total energy
-88.7365
eV
Raw total energy
-88.7365
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0038
eV
DOS at Fermi level
32.3065
Total magnetisation
1.3171
μB

Additional Information

Prototype ID

AB7C12_23_spg148

Decomposition

SmTm2 Sm5Pb3 Sm

Computed at

2023-07-16 10:37:05.377441

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: agm005809200).

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 agm005809200
data_agm005809200
_cell_length_a     8.67116
_cell_length_b     8.67116
_cell_length_c     8.67116
_cell_angle_alpha  89.35550
_cell_angle_beta   89.35551
_cell_angle_gamma  89.35549
_cell_volume       651.85278
_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 0.87089 0.26866 0.73826 1.00000
  Sm2 Sm 0.73134 0.26174 0.12911 1.00000
  Sm3 Sm 0.61875 0.14496 0.49700 1.00000
  Sm4 Sm 0.85504 0.50300 0.38125 1.00000
  Sm5 Sm 0.26174 0.12911 0.73134 1.00000
  Sm6 Sm 0.50300 0.38125 0.85504 1.00000
  Sm7 Sm 0.49700 0.61875 0.14496 1.00000
  Sm8 Sm 0.73826 0.87089 0.26866 1.00000
  Sm9 Sm 0.14496 0.49700 0.61875 1.00000
  Sm10 Sm 0.38125 0.85504 0.50300 1.00000
  Sm11 Sm 0.26866 0.73826 0.87089 1.00000
  Sm12 Sm 0.12911 0.73134 0.26174 1.00000
  Tm1 Tm 0.85239 0.62055 0.94408 1.00000
  Tm2 Tm 0.37945 0.05592 0.14761 1.00000
  Tm3 Tm 0.05592 0.14761 0.37945 1.00000
  Tm4 Tm 0.50000 0.50000 0.50000 1.00000
  Tm5 Tm 0.94408 0.85239 0.62055 1.00000
  Tm6 Tm 0.62055 0.94408 0.85239 1.00000
  Tm7 Tm 0.14761 0.37945 0.05592 1.00000
  Pb1 Pb 0.00000 0.00000 0.00000 1.00000
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