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SmBeAlPt2

Alexandria ALEX

Alex-ID: agm005018133 · Space group: I-4m2 (#119)

Basic Information

Formula
SmBeAlPt2
Alex-ID
agm005018133
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
89.20
ų
Cell a
3.9183
Å
Cell b
3.9183
Å
Cell c
6.4367
Å
α angle
107.72
°
β angle
107.72
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmBeAlPt2
Sm
1.00 · 20.0%
Be
1.00 · 20.0%
Al
1.00 · 20.0%
Pt
2.00 · 40.0%

Energy & Stability

Energy above hull
0.0633
eV/atom
Formation energy
-0.9261
eV/atom
Corrected total energy
-29.0020
eV
Raw total energy
-29.0020
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
2.4985
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

Sm3(AlPt)4 SmBe2Pt3 Sm(AlPt)2 Be5Pt

Computed at

2022-07-03 22:27:53.987503

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: agm005018133).

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 agm005018133
data_agm005018133
_cell_length_a     3.91831
_cell_length_b     3.91831
_cell_length_c     6.43674
_cell_angle_alpha  107.72030
_cell_angle_beta   107.72030
_cell_angle_gamma  90.00000
_cell_volume       89.20028
_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 0.00000 0.00000 0.00000 1.00000
  Be1 Be 0.25000 0.75000 0.50000 1.00000
  Al1 Al 0.75000 0.25000 0.50000 1.00000
  Pt1 Pt 0.62111 0.62111 0.24223 1.00000
  Pt2 Pt 0.37889 0.37889 0.75777 1.00000
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