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Sm2Cu5Ni2Ag

Alexandria ALEX

Alex-ID: agm005138658 · Space group: P4/mbm (#127)

Alexandria Database API

Basic Information

Formula
Sm2Cu5Ni2Ag
Alex-ID
agm005138658
Elements
4
Sites
20
Space group
P4/mbm (#127)
Crystal system
tetragonal
Volume
322.83
ų
Cell a
3.8771
Å
Cell b
9.1251
Å
Cell c
9.1251
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Sm2Cu5Ni2Ag
Sm
4.00 · 20.0%
Cu
10.00 · 50.0%
Ni
4.00 · 20.0%
Ag
2.00 · 10.0%

Energy & Stability

Energy above hull
0.1093
eV/atom
Formation energy
-0.1050
eV/atom
Corrected total energy
-91.4318
eV
Raw total energy
-91.4318
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
10.3013
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C2D5_50_spg127

Decomposition

Sm3Cu2Ni7 SmCu4Ni SmCu4Ag SmCu2

Computed at

2022-07-15 01:57:59.799789

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: agm005138658).

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 agm005138658
data_agm005138658
_cell_length_a     3.87707
_cell_length_b     9.12510
_cell_length_c     9.12510
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       322.83337
_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 0.68215 0.18215 1.00000
  Sm2 Sm 0.00000 0.31785 0.81785 1.00000
  Sm3 Sm 0.00000 0.18215 0.31785 1.00000
  Sm4 Sm 0.00000 0.81785 0.68215 1.00000
  Cu1 Cu 0.50000 0.21101 0.05844 1.00000
  Cu2 Cu 0.50000 0.78899 0.94156 1.00000
  Cu3 Cu 0.50000 0.05844 0.78899 1.00000
  Cu4 Cu 0.50000 0.71101 0.44156 1.00000
  Cu5 Cu 0.50000 0.94156 0.21101 1.00000
  Cu6 Cu 0.50000 0.28899 0.55844 1.00000
  Cu7 Cu 0.50000 0.55844 0.71101 1.00000
  Cu8 Cu 0.50000 0.44156 0.28899 1.00000
  Cu9 Cu 0.50000 0.50000 0.00000 1.00000
  Cu10 Cu 0.50000 0.00000 0.50000 1.00000
  Ni1 Ni 0.00000 0.11385 0.61385 1.00000
  Ni2 Ni 0.00000 0.88615 0.38615 1.00000
  Ni3 Ni 0.00000 0.61385 0.88615 1.00000
  Ni4 Ni 0.00000 0.38615 0.11385 1.00000
  Ag1 Ag 0.00000 0.00000 0.00000 1.00000
  Ag2 Ag 0.00000 0.50000 0.50000 1.00000
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