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Sm4(Al8Cu3)3

Alexandria ALEX

Alex-ID: agm008599298 · Space group: P-1 (#2)

Basic Information

Formula
Sm4(Al8Cu3)3
Alex-ID
agm008599298
Elements
3
Sites
37
Space group
P-1 (#2)
Crystal system
triclinic
Volume
627.46
ų
Cell a
7.4833
Å
Cell b
7.4758
Å
Cell c
13.1794
Å
α angle
79.13
°
β angle
84.57
°
γ angle
60.06
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm4(Al8Cu3)3
Sm
4.00 · 10.8%
Al
24.00 · 64.9%
Cu
9.00 · 24.3%

Energy & Stability

Energy above hull
0.0322
eV/atom
Formation energy
-0.2836
eV/atom
Corrected total energy
-156.7190
eV
Raw total energy
-156.7190
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.6535
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A4B9C24_1_spg2

Decomposition

Sm(Al2Cu)4 SmAl3 Al

Computed at

2024-08-07 12:39:56.870421

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: agm008599298).

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 agm008599298
data_agm008599298
_cell_length_a     7.48333
_cell_length_b     7.47583
_cell_length_c     13.17942
_cell_angle_alpha  79.13004
_cell_angle_beta   84.57042
_cell_angle_gamma  60.06182
_cell_volume       627.46332
_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 0.83352 0.56493 0.80269 1.00000
  Sm2 Sm 0.16648 0.43507 0.19731 1.00000
  Sm3 Sm 0.49985 0.23316 0.80261 1.00000
  Sm4 Sm 0.50015 0.76684 0.19739 1.00000
  Al1 Al 0.16690 0.51685 0.95004 1.00000
  Al2 Al 0.83310 0.48315 0.04996 1.00000
  Al3 Al 0.16731 0.97970 0.55870 1.00000
  Al4 Al 0.83269 0.02030 0.44130 1.00000
  Al5 Al 0.83360 0.64672 0.55883 1.00000
  Al6 Al 0.16640 0.35328 0.44117 1.00000
  Al7 Al 0.83374 0.37802 0.33776 1.00000
  Al8 Al 0.16626 0.62198 0.66224 1.00000
  Al9 Al 0.49185 0.94586 0.66197 1.00000
  Al10 Al 0.50815 0.05414 0.33803 1.00000
  Al11 Al 0.84295 0.26982 0.66159 1.00000
  Al12 Al 0.15705 0.73018 0.33841 1.00000
  Al13 Al 0.49915 0.84973 0.95012 1.00000
  Al14 Al 0.50085 0.15027 0.04988 1.00000
  Al15 Al 0.83397 0.18114 0.95490 1.00000
  Al16 Al 0.16603 0.81886 0.04510 1.00000
  Al17 Al 0.50140 0.68545 0.44127 1.00000
  Al18 Al 0.49860 0.31455 0.55873 1.00000
  Al19 Al 0.83323 0.89879 0.18596 1.00000
  Al20 Al 0.16677 0.10121 0.81404 1.00000
  Al21 Al 0.37258 0.68985 0.81322 1.00000
  Al22 Al 0.62742 0.31015 0.18678 1.00000
  Al23 Al 0.96156 0.89494 0.81391 1.00000
  Al24 Al 0.03844 0.10506 0.18609 1.00000
  Cu1 Cu 0.50663 0.61529 0.63394 1.00000
  Cu2 Cu 0.49337 0.38471 0.36606 1.00000
  Cu3 Cu 0.82997 0.83023 0.99936 1.00000
  Cu4 Cu 0.17003 0.16977 0.00064 1.00000
  Cu5 Cu 0.83275 0.70493 0.36611 1.00000
  Cu6 Cu 0.16725 0.29507 0.63389 1.00000
  Cu7 Cu 0.82646 0.95467 0.63546 1.00000
  Cu8 Cu 0.17354 0.04533 0.36454 1.00000
  Cu9 Cu 0.50000 0.50000 0.00000 1.00000
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