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Pr4SmMg

Alexandria ALEX

Alex-ID: agm005753524 · Space group: P4/mmm (#123)

Basic Information

Formula
Pr4SmMg
Alex-ID
agm005753524
Elements
3
Sites
6
Space group
P4/mmm (#123)
Crystal system
tetragonal
Volume
203.07
ų
Cell a
3.7221
Å
Cell b
3.7221
Å
Cell c
14.6579
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pr4SmMg
Pr
4.00 · 66.7%
Sm
1.00 · 16.7%
Mg
1.00 · 16.7%

Energy & Stability

Energy above hull
0.0166
eV/atom
Formation energy
-0.0217
eV/atom
Corrected total energy
-25.5839
eV
Raw total energy
-25.5839
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0000
eV
DOS at Fermi level
7.3877
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

ABC4_506_spg123

Decomposition

Pr2SmMg3 PrSm4 Pr

Computed at

2023-08-05 02:18:21.223088

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: agm005753524).

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 agm005753524
data_agm005753524
_cell_length_a     3.72210
_cell_length_b     3.72210
_cell_length_c     14.65793
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       203.07135
_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
  Pr1 Pr 0.50000 0.50000 0.17543 1.00000
  Pr2 Pr 0.00000 0.00000 0.64897 1.00000
  Pr3 Pr 0.00000 0.00000 0.35103 1.00000
  Pr4 Pr 0.50000 0.50000 0.82457 1.00000
  Sm1 Sm 0.00000 0.00000 0.00000 1.00000
  Mg1 Mg 0.50000 0.50000 0.50000 1.00000
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