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SmMgNi5

Alexandria ALEX

Alex-ID: agm005774893 · Space group: Pnma (#62)

Basic Information

Formula
SmMgNi5
Alex-ID
agm005774893
Elements
3
Sites
28
Space group
Pnma (#62)
Crystal system
orthorhombic
Volume
403.39
ų
Cell a
4.8526
Å
Cell b
8.0962
Å
Cell c
10.2676
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
SmMgNi5
Sm
4.00 · 14.3%
Mg
4.00 · 14.3%
Ni
20.00 · 71.4%

Energy & Stability

Energy above hull
0.0473
eV/atom
Formation energy
-0.2761
eV/atom
Corrected total energy
-148.6823
eV
Raw total energy
-148.6823
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0062
eV
DOS at Fermi level
34.9689
Total magnetisation
-0.0140
μB

Additional Information

Prototype ID

ABC5_91_spg62

Decomposition

Sm3MgNi14 SmMg2Ni9 SmMgNi4

Computed at

2023-07-14 13:07:46.412948

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: agm005774893).

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 agm005774893
data_agm005774893
_cell_length_a     4.85262
_cell_length_b     8.09625
_cell_length_c     10.26764
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       403.39492
_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 0.25000 0.24741 0.94095 1.00000
  Sm2 Sm 0.75000 0.25259 0.44095 1.00000
  Sm3 Sm 0.25000 0.74741 0.55905 1.00000
  Sm4 Sm 0.75000 0.75259 0.05905 1.00000
  Mg1 Mg 0.25000 0.86243 0.86043 1.00000
  Mg2 Mg 0.75000 0.63757 0.36043 1.00000
  Mg3 Mg 0.25000 0.36243 0.63957 1.00000
  Mg4 Mg 0.75000 0.13757 0.13957 1.00000
  Ni1 Ni 0.25000 0.58332 0.01598 1.00000
  Ni2 Ni 0.75000 0.91668 0.51598 1.00000
  Ni3 Ni 0.25000 0.08332 0.48402 1.00000
  Ni4 Ni 0.75000 0.41668 0.98402 1.00000
  Ni5 Ni 0.75000 0.31179 0.75857 1.00000
  Ni6 Ni 0.25000 0.18821 0.25857 1.00000
  Ni7 Ni 0.75000 0.81179 0.74143 1.00000
  Ni8 Ni 0.25000 0.68821 0.24143 1.00000
  Ni9 Ni 0.25000 0.95353 0.10779 1.00000
  Ni10 Ni 0.75000 0.54647 0.60779 1.00000
  Ni11 Ni 0.25000 0.45353 0.39221 1.00000
  Ni12 Ni 0.75000 0.04647 0.89221 1.00000
  Ni13 Ni 0.99864 0.43196 0.18892 1.00000
  Ni14 Ni 0.00136 0.06804 0.68892 1.00000
  Ni15 Ni 0.50136 0.93196 0.31108 1.00000
  Ni16 Ni 0.49864 0.56804 0.81108 1.00000
  Ni17 Ni 0.00136 0.56804 0.81108 1.00000
  Ni18 Ni 0.99864 0.93196 0.31108 1.00000
  Ni19 Ni 0.49864 0.06804 0.68892 1.00000
  Ni20 Ni 0.50136 0.43196 0.18892 1.00000
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