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Sm2U2Co15

Alexandria ALEX

Alex-ID: agm008516638 · Space group: R-3m (#166)

Alexandria Database API

Basic Information

Formula
Sm2U2Co15
Alex-ID
agm008516638
Elements
3
Sites
19
Space group
R-3m (#166)
Crystal system
trigonal
Volume
264.37
ų
Cell a
6.4784
Å
Cell b
6.4784
Å
Cell c
6.4784
Å
α angle
81.85
°
β angle
81.85
°
γ angle
81.85
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2U2Co15
Sm
2.00 · 10.5%
U
2.00 · 10.5%
Co
15.00 · 78.9%

Energy & Stability

Energy above hull
0.2205
eV/atom
Formation energy
0.0735
eV/atom
Corrected total energy
-137.4837
eV
Raw total energy
-137.4837
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
28.1879
Total magnetisation
13.5624
μB

Additional Information

Prototype ID

A2B2C15_1_spg166

Decomposition

SmCo2 Sm2Co17 UCo3

Computed at

2024-05-28 16:35:20.009295

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: agm008516638).

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 agm008516638
data_agm008516638
_cell_length_a     6.47838
_cell_length_b     6.47838
_cell_length_c     6.47838
_cell_angle_alpha  81.85396
_cell_angle_beta   81.85396
_cell_angle_gamma  81.85396
_cell_volume       264.37494
_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 0.11138 0.11138 0.11138 1.00000
  Sm2 Sm 0.88862 0.88862 0.88862 1.00000
  U1 U 0.36188 0.36188 0.36188 1.00000
  U2 U 0.63812 0.63812 0.63812 1.00000
  Co1 Co 0.50000 0.00000 0.00000 1.00000
  Co2 Co 0.00000 0.00000 0.50000 1.00000
  Co3 Co 0.00000 0.50000 0.00000 1.00000
  Co4 Co 0.00000 0.67221 0.32779 1.00000
  Co5 Co 0.67221 0.32779 0.00000 1.00000
  Co6 Co 0.32779 0.00000 0.67221 1.00000
  Co7 Co 0.32779 0.67221 0.00000 1.00000
  Co8 Co 0.67221 0.00000 0.32779 1.00000
  Co9 Co 0.00000 0.32779 0.67221 1.00000
  Co10 Co 0.17781 0.64624 0.64624 1.00000
  Co11 Co 0.64624 0.64624 0.17781 1.00000
  Co12 Co 0.64624 0.17781 0.64624 1.00000
  Co13 Co 0.82219 0.35376 0.35376 1.00000
  Co14 Co 0.35376 0.35376 0.82219 1.00000
  Co15 Co 0.35376 0.82219 0.35376 1.00000
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