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Sm7Cu2Si5

Alexandria ALEX

Alex-ID: agm007922571 · Space group: Pnma (#62)

Basic Information

Formula
Sm7Cu2Si5
Alex-ID
agm007922571
Elements
3
Sites
56
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
1,315.94
ų
Cell a
4.2531
Å
Cell b
13.5287
Å
Cell c
22.8705
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm7Cu2Si5
Sm
28.00 · 50.0%
Cu
8.00 · 14.3%
Si
20.00 · 35.7%

Energy & Stability

Energy above hull
0.0000
eV/atom
Formation energy
-0.6244
eV/atom
Corrected total energy
-308.9654
eV
Raw total energy
-308.9654
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0019
eV
DOS at Fermi level
45.6214
Total magnetisation
6.4298
μB

Additional Information

Prototype ID

A2B5C7_6_spg62

Decomposition

Sm7Cu2Si5

Computed at

2025-02-04 05:31:05

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: agm007922571).

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 agm007922571
data_agm007922571
_cell_length_a     4.25310
_cell_length_b     13.52868
_cell_length_c     22.87049
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       1315.94219
_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 0.75000 0.11371 0.47938 1.00000
  Sm2 Sm 0.75000 0.38629 0.97938 1.00000
  Sm3 Sm 0.25000 0.88629 0.52062 1.00000
  Sm4 Sm 0.25000 0.61371 0.02062 1.00000
  Sm5 Sm 0.75000 0.52552 0.13271 1.00000
  Sm6 Sm 0.75000 0.97448 0.63271 1.00000
  Sm7 Sm 0.25000 0.47448 0.86729 1.00000
  Sm8 Sm 0.25000 0.02552 0.36729 1.00000
  Sm9 Sm 0.75000 0.25093 0.11624 1.00000
  Sm10 Sm 0.75000 0.24907 0.61624 1.00000
  Sm11 Sm 0.25000 0.74907 0.88376 1.00000
  Sm12 Sm 0.25000 0.75093 0.38376 1.00000
  Sm13 Sm 0.75000 0.39407 0.27326 1.00000
  Sm14 Sm 0.75000 0.10593 0.77326 1.00000
  Sm15 Sm 0.25000 0.60593 0.72674 1.00000
  Sm16 Sm 0.25000 0.89407 0.22674 1.00000
  Sm17 Sm 0.75000 0.54025 0.43037 1.00000
  Sm18 Sm 0.75000 0.95975 0.93037 1.00000
  Sm19 Sm 0.25000 0.45975 0.56963 1.00000
  Sm20 Sm 0.25000 0.04025 0.06963 1.00000
  Sm21 Sm 0.75000 0.80902 0.10669 1.00000
  Sm22 Sm 0.75000 0.69098 0.60669 1.00000
  Sm23 Sm 0.25000 0.19098 0.89331 1.00000
  Sm24 Sm 0.25000 0.30902 0.39331 1.00000
  Sm25 Sm 0.75000 0.66441 0.26538 1.00000
  Sm26 Sm 0.75000 0.83559 0.76538 1.00000
  Sm27 Sm 0.25000 0.33559 0.73462 1.00000
  Sm28 Sm 0.25000 0.16441 0.23462 1.00000
  Cu1 Cu 0.75000 0.74497 0.48238 1.00000
  Cu2 Cu 0.75000 0.75503 0.98238 1.00000
  Cu3 Cu 0.25000 0.25503 0.51762 1.00000
  Cu4 Cu 0.25000 0.24497 0.01762 1.00000
  Cu5 Cu 0.75000 0.03012 0.27348 1.00000
  Cu6 Cu 0.75000 0.46988 0.77348 1.00000
  Cu7 Cu 0.25000 0.96988 0.72652 1.00000
  Cu8 Cu 0.25000 0.53012 0.22652 1.00000
  Si1 Si 0.75000 0.15666 0.99295 1.00000
  Si2 Si 0.75000 0.34334 0.49295 1.00000
  Si3 Si 0.25000 0.84334 0.00705 1.00000
  Si4 Si 0.25000 0.65666 0.50705 1.00000
  Si5 Si 0.75000 0.90029 0.42787 1.00000
  Si6 Si 0.75000 0.59971 0.92787 1.00000
  Si7 Si 0.25000 0.09971 0.57213 1.00000
  Si8 Si 0.25000 0.40029 0.07213 1.00000
  Si9 Si 0.75000 0.87146 0.32151 1.00000
  Si10 Si 0.75000 0.62854 0.82151 1.00000
  Si11 Si 0.25000 0.12854 0.67849 1.00000
  Si12 Si 0.25000 0.37146 0.17849 1.00000
  Si13 Si 0.75000 0.02991 0.16600 1.00000
  Si14 Si 0.75000 0.47009 0.66600 1.00000
  Si15 Si 0.25000 0.97009 0.83400 1.00000
  Si16 Si 0.25000 0.52991 0.33400 1.00000
  Si17 Si 0.75000 0.18316 0.33390 1.00000
  Si18 Si 0.75000 0.31684 0.83390 1.00000
  Si19 Si 0.25000 0.81684 0.66610 1.00000
  Si20 Si 0.25000 0.68316 0.16610 1.00000
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