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Pr7Sm

Alexandria ALEX

Alex-ID: agm051804232 · Space group: Pmma (#51)

Basic Information

Formula
Pr7Sm
Alex-ID
agm051804232
Elements
2
Sites
16
Space group
Pmma (#51)
Crystal system
orthorhombic
Volume
575.36
ų
Cell a
6.4440
Å
Cell b
7.4392
Å
Cell c
12.0021
Å
α angle
90.00
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pr7Sm
Pr
14.00 · 87.5%
Sm
2.00 · 12.5%

Energy & Stability

Energy above hull
0.0084
eV/atom
Formation energy
0.0078
eV/atom
Corrected total energy
-76.2978
eV
Raw total energy
-76.2978
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0079
eV
DOS at Fermi level
18.9676
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB7_222_spg51

Decomposition

PrSm4 Pr

Computed at

2025-02-26 00:05:25

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: agm051804232).

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 agm051804232
data_agm051804232
_cell_length_a     6.44405
_cell_length_b     7.43916
_cell_length_c     12.00213
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       575.36197
_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 0.00000 1.00000
  Pr2 Pr 0.50000 0.50000 0.50000 1.00000
  Pr3 Pr 0.16547 0.50000 0.25000 1.00000
  Pr4 Pr 0.83453 0.50000 0.75000 1.00000
  Pr5 Pr 0.16831 0.00000 0.25000 1.00000
  Pr6 Pr 0.83169 0.00000 0.75000 1.00000
  Pr7 Pr 0.00000 0.24863 0.00000 1.00000
  Pr8 Pr 0.00000 0.24863 0.50000 1.00000
  Pr9 Pr 0.00000 0.75137 0.00000 1.00000
  Pr10 Pr 0.00000 0.75137 0.50000 1.00000
  Pr11 Pr 0.66667 0.24856 0.25000 1.00000
  Pr12 Pr 0.33333 0.24856 0.75000 1.00000
  Pr13 Pr 0.33333 0.75144 0.75000 1.00000
  Pr14 Pr 0.66667 0.75144 0.25000 1.00000
  Sm1 Sm 0.50000 0.00000 0.00000 1.00000
  Sm2 Sm 0.50000 0.00000 0.50000 1.00000
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