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Sm3U2Fe7

Alexandria ALEX

Alex-ID: agm024289705 · Space group: R-3m (#166)

Basic Information

Formula
Sm3U2Fe7
Alex-ID
agm024289705
Elements
3
Sites
12
Space group
R-3m (#166)
Crystal system
trigonal
Volume
202.47
ų
Cell a
8.2002
Å
Cell b
8.2002
Å
Cell c
8.2002
Å
α angle
39.68
°
β angle
39.68
°
γ angle
39.68
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm3U2Fe7
Sm
3.00 · 25.0%
U
2.00 · 16.7%
Fe
7.00 · 58.3%

Energy & Stability

Energy above hull
0.0311
eV/atom
Formation energy
-0.0715
eV/atom
Corrected total energy
-96.8432
eV
Raw total energy
-96.8432
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.0590
Total magnetisation
2.9012
μB

Additional Information

Prototype ID

A2B3C7_3_spg166

Decomposition

SmUFe2 Sm Fe

Computed at

2025-05-16 04:34:51

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: agm024289705).

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 agm024289705
data_agm024289705
_cell_length_a     8.20019
_cell_length_b     8.20019
_cell_length_c     8.20019
_cell_angle_alpha  39.68467
_cell_angle_beta   39.68467
_cell_angle_gamma  39.68467
_cell_volume       202.46623
_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
  Sm2 Sm 0.14260 0.14260 0.14260 1.00000
  Sm3 Sm 0.85740 0.85740 0.85740 1.00000
  U1 U 0.33400 0.33400 0.33400 1.00000
  U2 U 0.66600 0.66600 0.66600 1.00000
  Fe1 Fe 0.50000 0.50000 0.50000 1.00000
  Fe2 Fe 0.08280 0.57732 0.57732 1.00000
  Fe3 Fe 0.57732 0.57732 0.08280 1.00000
  Fe4 Fe 0.57732 0.08280 0.57732 1.00000
  Fe5 Fe 0.91720 0.42268 0.42268 1.00000
  Fe6 Fe 0.42268 0.91720 0.42268 1.00000
  Fe7 Fe 0.42268 0.42268 0.91720 1.00000
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