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SmCuGe2Os

Alexandria ALEX

Alex-ID: agm005016294 · Space group: I-4m2 (#119)

Basic Information

Formula
SmCuGe2Os
Alex-ID
agm005016294
Elements
4
Sites
5
Space group
I-4m2 (#119)
Crystal system
tetragonal
Volume
90.02
ų
Cell a
4.1173
Å
Cell b
4.1173
Å
Cell c
6.0561
Å
α angle
109.87
°
β angle
109.87
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmCuGe2Os
Sm
1.00 · 20.0%
Cu
1.00 · 20.0%
Ge
2.00 · 40.0%
Os
1.00 · 20.0%

Energy & Stability

Energy above hull
0.1246
eV/atom
Formation energy
-0.3434
eV/atom
Corrected total energy
-31.0650
eV
Raw total energy
-31.0650
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0339
eV
DOS at Fermi level
2.7450
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABCD2_1563_spg119

Decomposition

Sm3(CuGe2)2 Sm2Ge5Os3 Sm(CuGe)2 Os

Computed at

2022-07-04 05:13:43.212483

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: agm005016294).

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 agm005016294
data_agm005016294
_cell_length_a     4.11726
_cell_length_b     4.11726
_cell_length_c     6.05607
_cell_angle_alpha  109.87249
_cell_angle_beta   109.87249
_cell_angle_gamma  90.00000
_cell_volume       90.02038
_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
  Cu1 Cu 0.75000 0.25000 0.50000 1.00000
  Ge1 Ge 0.62179 0.62179 0.24359 1.00000
  Ge2 Ge 0.37821 0.37821 0.75641 1.00000
  Os1 Os 0.25000 0.75000 0.50000 1.00000
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