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Sm2CoNi17Ge8

Alexandria ALEX

Alex-ID: agm020487693 · Space group: Fmmm (#69)

Basic Information

Formula
Sm2CoNi17Ge8
Alex-ID
agm020487693
Elements
4
Sites
28
Space group
Fmmm (#69)
Crystal system
orthorhombic
Volume
372.32
ų
Cell a
8.1484
Å
Cell b
8.1289
Å
Cell c
7.9571
Å
α angle
60.86
°
β angle
60.61
°
γ angle
58.53
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2CoNi17Ge8
Sm
2.00 · 7.1%
Co
1.00 · 3.6%
Ni
17.00 · 60.7%
Ge
8.00 · 28.6%

Energy & Stability

Energy above hull
0.0291
eV/atom
Formation energy
-0.3916
eV/atom
Corrected total energy
-162.7999
eV
Raw total energy
-162.7998
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0013
eV
DOS at Fermi level
21.5828
Total magnetisation
0.6920
μB

Additional Information

Prototype ID

AB2C8D17_0_spg69

Decomposition

SmNi5Ge3 SmNi9Ge2 Ni3Ge Co

Computed at

2025-02-25 00:48:27

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: agm020487693).

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 agm020487693
data_agm020487693
_cell_length_a     8.14844
_cell_length_b     8.12895
_cell_length_c     7.95709
_cell_angle_alpha  60.85796
_cell_angle_beta   60.61305
_cell_angle_gamma  58.52899
_cell_volume       372.32348
_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 0.75000 0.75000 1.00000
  Sm2 Sm 0.25000 0.25000 0.25000 1.00000
  Co1 Co 0.00000 0.00000 0.00000 1.00000
  Ni1 Ni 0.80834 0.55535 0.19166 1.00000
  Ni2 Ni 0.55535 0.80834 0.44465 1.00000
  Ni3 Ni 0.30755 0.05509 0.94491 1.00000
  Ni4 Ni 0.05509 0.30755 0.69245 1.00000
  Ni5 Ni 0.19166 0.44465 0.80834 1.00000
  Ni6 Ni 0.44465 0.19166 0.55535 1.00000
  Ni7 Ni 0.69245 0.94491 0.05509 1.00000
  Ni8 Ni 0.94491 0.69245 0.30755 1.00000
  Ni9 Ni 0.70404 0.29596 0.93094 1.00000
  Ni10 Ni 0.29596 0.70404 0.06906 1.00000
  Ni11 Ni 0.20239 0.79761 0.56775 1.00000
  Ni12 Ni 0.79761 0.20239 0.43225 1.00000
  Ni13 Ni 0.43225 0.56775 0.79761 1.00000
  Ni14 Ni 0.56775 0.43225 0.20239 1.00000
  Ni15 Ni 0.06906 0.93094 0.29596 1.00000
  Ni16 Ni 0.93094 0.06906 0.70404 1.00000
  Ni17 Ni 0.50000 0.50000 0.50000 1.00000
  Ge1 Ge 0.94949 0.29426 0.05051 1.00000
  Ge2 Ge 0.29426 0.94949 0.70574 1.00000
  Ge3 Ge 0.45015 0.79483 0.20517 1.00000
  Ge4 Ge 0.79483 0.45015 0.54985 1.00000
  Ge5 Ge 0.05051 0.70574 0.94949 1.00000
  Ge6 Ge 0.70574 0.05051 0.29426 1.00000
  Ge7 Ge 0.54985 0.20517 0.79483 1.00000
  Ge8 Ge 0.20517 0.54985 0.45015 1.00000
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