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Sm2Al4GaIr3

Alexandria ALEX

Alex-ID: agm004533657 · Space group: P-4m2 (#115)

Basic Information

Formula
Sm2Al4GaIr3
Alex-ID
agm004533657
Elements
4
Sites
10
Space group
P-4m2 (#115)
Crystal system
tetragonal
Volume
187.10
ų
Cell a
4.1247
Å
Cell b
4.1247
Å
Cell c
10.9973
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Al4GaIr3
Sm
2.00 · 20.0%
Al
4.00 · 40.0%
Ga
1.00 · 10.0%
Ir
3.00 · 30.0%

Energy & Stability

Energy above hull
0.1000
eV/atom
Formation energy
-0.7576
eV/atom
Corrected total energy
-61.6174
eV
Raw total energy
-61.6173
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.0456
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D4_7_spg115

Decomposition

AlIr SmAlIr SmGa2 Sm2(Al3Ir)3

Computed at

2022-06-21 01:29:33.959647

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: agm004533657).

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 agm004533657
data_agm004533657
_cell_length_a     4.12467
_cell_length_b     4.12467
_cell_length_c     10.99727
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       187.09528
_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 0.50000 0.00000 0.24514 1.00000
  Sm2 Sm 0.00000 0.50000 0.75486 1.00000
  Al1 Al 0.50000 0.50000 0.00000 1.00000
  Al2 Al 0.00000 0.00000 0.00000 1.00000
  Al3 Al 0.50000 0.00000 0.63672 1.00000
  Al4 Al 0.00000 0.50000 0.36328 1.00000
  Ga1 Ga 0.50000 0.50000 0.50000 1.00000
  Ir1 Ir 0.00000 0.00000 0.50000 1.00000
  Ir2 Ir 0.50000 0.00000 0.86574 1.00000
  Ir3 Ir 0.00000 0.50000 0.13426 1.00000
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