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Sm2Be(GaCu4)3

Alexandria ALEX

Alex-ID: agm004500314 · Space group: R-3m (#166)

Basic Information

Formula
Sm2Be(GaCu4)3
Alex-ID
agm004500314
Elements
4
Sites
18
Space group
R-3m (#166)
Crystal system
trigonal
Volume
284.80
ų
Cell a
11.0320
Å
Cell b
11.0320
Å
Cell c
11.0320
Å
α angle
29.31
°
β angle
29.31
°
γ angle
29.31
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Be(GaCu4)3
Sm
2.00 · 11.1%
Be
1.00 · 5.6%
Ga
3.00 · 16.7%
Cu
12.00 · 66.7%

Energy & Stability

Energy above hull
0.3368
eV/atom
Formation energy
0.1253
eV/atom
Corrected total energy
-69.9253
eV
Raw total energy
-69.9252
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
9.8778
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D12_96_spg166

Decomposition

Be2Cu SmGaCu4 Sm2Ga5Cu3 Cu

Computed at

2022-06-19 04:15:29.194810

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: agm004500314).

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 agm004500314
data_agm004500314
_cell_length_a     11.03201
_cell_length_b     11.03201
_cell_length_c     11.03201
_cell_angle_alpha  29.31445
_cell_angle_beta   29.31445
_cell_angle_gamma  29.31445
_cell_volume       284.80088
_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 0.64471 0.64471 0.64471 1.00000
  Sm2 Sm 0.35529 0.35529 0.35529 1.00000
  Be1 Be 0.00000 0.00000 0.00000 1.00000
  Ga1 Ga 0.50000 0.00000 0.00000 1.00000
  Ga2 Ga 0.00000 0.50000 0.00000 1.00000
  Ga3 Ga 0.00000 0.00000 0.50000 1.00000
  Cu1 Cu 0.40797 0.40797 0.85359 1.00000
  Cu2 Cu 0.90266 0.90266 0.36381 1.00000
  Cu3 Cu 0.36381 0.90266 0.90266 1.00000
  Cu4 Cu 0.85359 0.40797 0.40797 1.00000
  Cu5 Cu 0.90266 0.36381 0.90266 1.00000
  Cu6 Cu 0.40797 0.85359 0.40797 1.00000
  Cu7 Cu 0.59203 0.59203 0.14641 1.00000
  Cu8 Cu 0.09734 0.09734 0.63619 1.00000
  Cu9 Cu 0.63619 0.09734 0.09734 1.00000
  Cu10 Cu 0.14641 0.59203 0.59203 1.00000
  Cu11 Cu 0.09734 0.63619 0.09734 1.00000
  Cu12 Cu 0.59203 0.14641 0.59203 1.00000
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