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HEAS Data Platform · Materials Science Database

SmAl6Fe7

Alexandria ALEX

Alex-ID: agm024056057 · Space group: Ibam (#72)

Basic Information

Formula
SmAl6Fe7
Alex-ID
agm024056057
Elements
3
Sites
28
Space group
Ibam (#72)
Crystal system
orthorhombic
Volume
401.63
ų
Cell a
8.2843
Å
Cell b
8.2843
Å
Cell c
8.2843
Å
α angle
121.48
°
β angle
118.54
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmAl6Fe7
Sm
2.00 · 7.1%
Al
12.00 · 42.9%
Fe
14.00 · 50.0%

Energy & Stability

Energy above hull
0.0339
eV/atom
Formation energy
-0.3007
eV/atom
Corrected total energy
-181.2912
eV
Raw total energy
-181.2912
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0024
eV
DOS at Fermi level
24.1569
Total magnetisation
23.3470
μB

Additional Information

Prototype ID

AB6C7_22_spg72

Decomposition

AlFe4 SmAlFe2 Sm(AlFe)6

Computed at

2024-11-01 12:54:03.394067

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: agm024056057).

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 agm024056057
data_agm024056057
_cell_length_a     8.28425
_cell_length_b     8.28425
_cell_length_c     8.28425
_cell_angle_alpha  121.48167
_cell_angle_beta   118.53629
_cell_angle_gamma  90.00338
_cell_volume       401.63120
_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 0.25000 0.75000 0.50000 1.00000
  Sm2 Sm 0.75000 0.25000 0.50000 1.00000
  Al1 Al 0.94719 0.68607 0.63326 1.00000
  Al2 Al 0.05281 0.31393 0.36674 1.00000
  Al3 Al 0.44719 0.81393 0.26112 1.00000
  Al4 Al 0.55281 0.18607 0.73888 1.00000
  Al5 Al 0.18534 0.18673 0.63131 1.00000
  Al6 Al 0.81466 0.81327 0.36869 1.00000
  Al7 Al 0.55542 0.55403 0.36869 1.00000
  Al8 Al 0.94458 0.31327 0.99861 1.00000
  Al9 Al 0.44458 0.44597 0.63131 1.00000
  Al10 Al 0.05542 0.68673 0.00139 1.00000
  Al11 Al 0.31466 0.94597 0.00139 1.00000
  Al12 Al 0.68534 0.05403 0.99861 1.00000
  Fe1 Fe 0.72547 0.93251 0.65798 1.00000
  Fe2 Fe 0.27453 0.06749 0.34202 1.00000
  Fe3 Fe 0.22547 0.56749 0.79296 1.00000
  Fe4 Fe 0.77453 0.43251 0.20704 1.00000
  Fe5 Fe 0.06857 0.06462 0.78586 1.00000
  Fe6 Fe 0.93143 0.93538 0.21414 1.00000
  Fe7 Fe 0.27877 0.28271 0.21414 1.00000
  Fe8 Fe 0.22123 0.43538 0.00395 1.00000
  Fe9 Fe 0.72123 0.71729 0.78586 1.00000
  Fe10 Fe 0.77877 0.56462 0.99605 1.00000
  Fe11 Fe 0.43143 0.21729 0.99605 1.00000
  Fe12 Fe 0.56857 0.78271 0.00395 1.00000
  Fe13 Fe 0.00000 0.00000 0.00000 1.00000
  Fe14 Fe 0.50000 0.50000 0.00000 1.00000
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