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Sm2Fe20Si2C

Alexandria ALEX

Alex-ID: agm005247680 · Space group: P-1 (#2)

Basic Information

Formula
Sm2Fe20Si2C
Alex-ID
agm005247680
Elements
4
Sites
25
Space group
P-1 (#2)
Crystal system
triclinic
Volume
323.13
ų
Cell a
6.3743
Å
Cell b
7.7519
Å
Cell c
7.8015
Å
α angle
79.92
°
β angle
66.13
°
γ angle
66.45
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Fe20Si2C
Sm
2.00 · 8.0%
Fe
20.00 · 80.0%
Si
2.00 · 8.0%
C
1.00 · 4.0%

Energy & Stability

Energy above hull
0.0714
eV/atom
Formation energy
-0.1080
eV/atom
Corrected total energy
-201.4696
eV
Raw total energy
-201.4696
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0030
eV
DOS at Fermi level
20.3867
Total magnetisation
41.9400
μB

Additional Information

Prototype ID

AB2C2D20_0_spg2

Decomposition

Sm2Fe2Si2C Fe

Computed at

2023-05-10 06:43:55.369057

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: agm005247680).

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 agm005247680
data_agm005247680
_cell_length_a     6.37434
_cell_length_b     7.75186
_cell_length_c     7.80154
_cell_angle_alpha  79.92240
_cell_angle_beta   66.13149
_cell_angle_gamma  66.45302
_cell_volume       323.13312
_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 0.87062 0.25253 0.25298 1.00000
  Sm2 Sm 0.12938 0.74747 0.74702 1.00000
  Fe1 Fe 0.93367 0.82520 0.41560 1.00000
  Fe2 Fe 0.67828 0.08057 0.67648 1.00000
  Fe3 Fe 0.36293 0.33750 0.57967 1.00000
  Fe4 Fe 0.77672 0.91831 0.16434 1.00000
  Fe5 Fe 0.94290 0.42380 0.83793 1.00000
  Fe6 Fe 0.68487 0.67310 0.07971 1.00000
  Fe7 Fe 0.35373 0.57678 0.32015 1.00000
  Fe8 Fe 0.76235 0.17613 0.92334 1.00000
  Fe9 Fe 0.06633 0.17480 0.58440 1.00000
  Fe10 Fe 0.32172 0.91943 0.32352 1.00000
  Fe11 Fe 0.63707 0.66250 0.42033 1.00000
  Fe12 Fe 0.22328 0.08169 0.83566 1.00000
  Fe13 Fe 0.05710 0.57620 0.16207 1.00000
  Fe14 Fe 0.31513 0.32690 0.92029 1.00000
  Fe15 Fe 0.64627 0.42322 0.67985 1.00000
  Fe16 Fe 0.23765 0.82387 0.07666 1.00000
  Fe17 Fe 0.62112 0.74925 0.75214 1.00000
  Fe18 Fe 0.37888 0.25075 0.24786 1.00000
  Fe19 Fe 0.50000 0.00000 0.50000 1.00000
  Fe20 Fe 0.00000 0.50000 0.50000 1.00000
  Si1 Si 0.50000 0.00000 0.00000 1.00000
  Si2 Si 0.50000 0.50000 0.00000 1.00000
  C1 C 0.00000 0.00000 0.50000 1.00000
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