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Sm2Al4SnPt3

Alexandria ALEX

Alex-ID: agm004516583 · Space group: P-4m2 (#115)

Basic Information

Formula
Sm2Al4SnPt3
Alex-ID
agm004516583
Elements
4
Sites
10
Space group
P-4m2 (#115)
Crystal system
tetragonal
Volume
198.29
ų
Cell a
4.2930
Å
Cell b
4.2930
Å
Cell c
10.7591
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Al4SnPt3
Sm
2.00 · 20.0%
Al
4.00 · 40.0%
Sn
1.00 · 10.0%
Pt
3.00 · 30.0%

Energy & Stability

Energy above hull
0.0743
eV/atom
Formation energy
-0.9361
eV/atom
Corrected total energy
-56.0572
eV
Raw total energy
-56.0572
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0627
eV
DOS at Fermi level
7.4356
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D4_7_spg115

Decomposition

SmAlPt SmAl5Pt3 SmSnPt SmSn

Computed at

2022-06-21 01:42:08.363017

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: agm004516583).

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 agm004516583
data_agm004516583
_cell_length_a     4.29302
_cell_length_b     4.29302
_cell_length_c     10.75914
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       198.29090
_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 0.23979 1.00000
  Sm2 Sm 0.00000 0.50000 0.76021 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 0.65038 1.00000
  Al4 Al 0.00000 0.50000 0.34962 1.00000
  Sn1 Sn 0.50000 0.50000 0.50000 1.00000
  Pt1 Pt 0.00000 0.00000 0.50000 1.00000
  Pt2 Pt 0.50000 0.00000 0.87525 1.00000
  Pt3 Pt 0.00000 0.50000 0.12475 1.00000
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