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Sm12Tm5Al2

Alexandria ALEX

Alex-ID: agm003372025 · Space group: C2/m (#12)

Basic Information

Formula
Sm12Tm5Al2
Alex-ID
agm003372025
Elements
3
Sites
19
Space group
C2/m (#12)
Crystal system
monoclinic
Volume
599.19
ų
Cell a
8.0132
Å
Cell b
9.7120
Å
Cell c
8.9032
Å
α angle
73.36
°
β angle
90.00
°
γ angle
114.36
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm12Tm5Al2
Sm
12.00 · 63.2%
Tm
5.00 · 26.3%
Al
2.00 · 10.5%

Energy & Stability

Energy above hull
0.1621
eV/atom
Formation energy
0.0676
eV/atom
Corrected total energy
-85.2456
eV
Raw total energy
-85.2456
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
21.3763
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B5C12_52_spg12

Decomposition

SmTm2 Tm2Al Sm

Computed at

2022-02-06 12:47:50.734031

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: agm003372025).

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 agm003372025
data_agm003372025
_cell_length_a     8.01323
_cell_length_b     9.71204
_cell_length_c     8.90316
_cell_angle_alpha  73.36311
_cell_angle_beta   90.00000
_cell_angle_gamma  114.36456
_cell_volume       599.19212
_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 0.95228 0.90456 0.16961 1.00000
  Sm2 Sm 0.06019 0.71934 0.87098 1.00000
  Sm3 Sm 0.65915 0.71934 0.87098 1.00000
  Sm4 Sm 0.08046 0.69355 0.47177 1.00000
  Sm5 Sm 0.61309 0.69355 0.47177 1.00000
  Sm6 Sm 0.47864 0.95727 0.69244 1.00000
  Sm7 Sm 0.52136 0.04273 0.30756 1.00000
  Sm8 Sm 0.91954 0.30645 0.52823 1.00000
  Sm9 Sm 0.38691 0.30645 0.52823 1.00000
  Sm10 Sm 0.93981 0.28066 0.12902 1.00000
  Sm11 Sm 0.34085 0.28066 0.12902 1.00000
  Sm12 Sm 0.04772 0.09544 0.83039 1.00000
  Tm1 Tm 0.24783 0.49567 0.77756 1.00000
  Tm2 Tm 0.31457 0.62914 0.17180 1.00000
  Tm3 Tm 0.00000 0.00000 0.50000 1.00000
  Tm4 Tm 0.68543 0.37086 0.82820 1.00000
  Tm5 Tm 0.75217 0.50433 0.22244 1.00000
  Al1 Al 0.66189 0.00000 1.00000 1.00000
  Al2 Al 0.33811 1.00000 0.00000 1.00000
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