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Sm2CuSi3

Alexandria ALEX

Alex-ID: agm077950431 · Space group: P-6m2 (#187)

Basic Information

Formula
Sm2CuSi3
Alex-ID
agm077950431
Elements
3
Sites
6
Space group
P-6m2 (#187)
Crystal system
hexagonal
Volume
118.54
ų
Cell a
4.0789
Å
Cell b
4.0789
Å
Cell c
8.2269
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2CuSi3
Sm
2.00 · 33.3%
Cu
1.00 · 16.7%
Si
3.00 · 50.0%

Energy & Stability

Energy above hull
0.0896
eV/atom
Formation energy
-0.6501
eV/atom
Corrected total energy
-33.7765
eV
Raw total energy
-33.7765
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
3.6717
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3_4208_spg187

Decomposition

Sm2CuSi3

Computed at

2025-04-15 21:58:22

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: agm077950431).

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 agm077950431
data_agm077950431
_cell_length_a     4.07890
_cell_length_b     4.07890
_cell_length_c     8.22694
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       118.53735
_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 0.33333 0.66667 0.74876 1.00000
  Sm2 Sm 0.33333 0.66667 0.25124 1.00000
  Cu1 Cu 0.66667 0.33333 0.50000 1.00000
  Si1 Si 0.66667 0.33333 0.00000 1.00000
  Si2 Si 0.00000 0.00000 0.50000 1.00000
  Si3 Si 0.00000 0.00000 0.00000 1.00000
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