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SmAl2Ni

Alexandria ALEX

Alex-ID: agm005691617 · Space group: Pnma (#62)

Basic Information

Formula
SmAl2Ni
Alex-ID
agm005691617
Elements
3
Sites
32
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
595.07
ų
Cell a
5.6805
Å
Cell b
6.8829
Å
Cell c
15.2198
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmAl2Ni
Sm
8.00 · 25.0%
Al
16.00 · 50.0%
Ni
8.00 · 25.0%

Energy & Stability

Energy above hull
0.0288
eV/atom
Formation energy
-0.5771
eV/atom
Corrected total energy
-162.4567
eV
Raw total energy
-162.4567
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0152
eV
DOS at Fermi level
19.6220
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC2_547_spg62

Decomposition

SmAl2Ni

Computed at

2023-07-11 19:36:57.681586

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: agm005691617).

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 agm005691617
data_agm005691617
_cell_length_a     5.68045
_cell_length_b     6.88295
_cell_length_c     15.21978
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       595.06683
_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 0.47998 0.25000 0.13644 1.00000
  Sm2 Sm 0.97998 0.75000 0.36356 1.00000
  Sm3 Sm 0.52002 0.75000 0.86356 1.00000
  Sm4 Sm 0.02002 0.25000 0.63644 1.00000
  Sm5 Sm 0.78498 0.25000 0.39653 1.00000
  Sm6 Sm 0.28498 0.75000 0.10347 1.00000
  Sm7 Sm 0.21502 0.75000 0.60347 1.00000
  Sm8 Sm 0.71502 0.25000 0.89653 1.00000
  Al1 Al 0.98083 0.05492 0.21096 1.00000
  Al2 Al 0.48083 0.94508 0.28904 1.00000
  Al3 Al 0.01917 0.55492 0.78904 1.00000
  Al4 Al 0.51917 0.44508 0.71096 1.00000
  Al5 Al 0.01917 0.94508 0.78904 1.00000
  Al6 Al 0.51917 0.05492 0.71096 1.00000
  Al7 Al 0.98083 0.44508 0.21096 1.00000
  Al8 Al 0.48083 0.55492 0.28904 1.00000
  Al9 Al 0.79741 0.55890 0.04453 1.00000
  Al10 Al 0.29741 0.44110 0.45547 1.00000
  Al11 Al 0.20259 0.05890 0.95547 1.00000
  Al12 Al 0.70259 0.94110 0.54453 1.00000
  Al13 Al 0.20259 0.44110 0.95547 1.00000
  Al14 Al 0.70259 0.55890 0.54453 1.00000
  Al15 Al 0.79741 0.94110 0.04453 1.00000
  Al16 Al 0.29741 0.05890 0.45547 1.00000
  Ni1 Ni 0.25133 0.25000 0.31501 1.00000
  Ni2 Ni 0.75133 0.75000 0.18499 1.00000
  Ni3 Ni 0.74867 0.75000 0.68499 1.00000
  Ni4 Ni 0.24867 0.25000 0.81501 1.00000
  Ni5 Ni 0.99413 0.25000 0.07179 1.00000
  Ni6 Ni 0.49413 0.75000 0.42821 1.00000
  Ni7 Ni 0.00587 0.75000 0.92821 1.00000
  Ni8 Ni 0.50587 0.25000 0.57179 1.00000
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