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Sm2Cu3NiGe4

Alexandria ALEX

Alex-ID: agm040856471 · Space group: P4mm (#99)

Basic Information

Formula
Sm2Cu3NiGe4
Alex-ID
agm040856471
Elements
4
Sites
10
Space group
P4mm (#99)
Crystal system
tetragonal
Volume
172.89
ų
Cell a
4.1554
Å
Cell b
4.1554
Å
Cell c
10.0128
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Cu3NiGe4
Sm
2.00 · 20.0%
Cu
3.00 · 30.0%
Ni
1.00 · 10.0%
Ge
4.00 · 40.0%

Energy & Stability

Energy above hull
0.0103
eV/atom
Formation energy
-0.5454
eV/atom
Corrected total energy
-51.6339
eV
Raw total energy
-51.6339
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
4.6680
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C3D4_122_spg99

Decomposition

SmCuNiGe2 Sm(CuGe)2

Computed at

2024-12-22 12:41:35

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: agm040856471).

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 agm040856471
data_agm040856471
_cell_length_a     4.15539
_cell_length_b     4.15539
_cell_length_c     10.01279
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       172.89388
_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 0.50000 0.50000 0.25507 1.00000
  Sm2 Sm 0.00000 0.00000 0.75471 1.00000
  Cu1 Cu 0.00000 0.00000 0.36817 1.00000
  Cu2 Cu 0.50000 0.00000 0.99889 1.00000
  Cu3 Cu 0.00000 0.50000 0.99889 1.00000
  Ni1 Ni 0.50000 0.50000 0.62306 1.00000
  Ge1 Ge 0.50000 0.50000 0.85914 1.00000
  Ge2 Ge 0.00000 0.00000 0.13064 1.00000
  Ge3 Ge 0.50000 0.00000 0.50570 1.00000
  Ge4 Ge 0.00000 0.50000 0.50570 1.00000
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