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Pr7Sm

Alexandria ALEX

Alex-ID: agm016950776 · Space group: Pmma (#51)

Basic Information

Formula
Pr7Sm
Alex-ID
agm016950776
Elements
2
Sites
16
Space group
Pmma (#51)
Crystal system
orthorhombic
Volume
574.86
ų
Cell a
6.4425
Å
Cell b
7.4402
Å
Cell c
11.9930
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
0.0055
eV/atom
Formation energy
0.0049
eV/atom
Corrected total energy
-76.3441
eV
Raw total energy
-76.3441
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0086
eV
DOS at Fermi level
19.4201
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB7_222_spg51

Decomposition

PrSm4 Pr

Computed at

2025-01-16 01:22:47

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: agm016950776).

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 agm016950776
data_agm016950776
_cell_length_a     6.44245
_cell_length_b     7.44016
_cell_length_c     11.99299
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       574.85876
_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 0.16725 0.24846 0.25000 1.00000
  Pr2 Pr 0.83275 0.24846 0.75000 1.00000
  Pr3 Pr 0.83275 0.75154 0.75000 1.00000
  Pr4 Pr 0.16725 0.75154 0.25000 1.00000
  Pr5 Pr 0.00000 0.00000 0.00000 1.00000
  Pr6 Pr 0.00000 0.00000 0.50000 1.00000
  Pr7 Pr 0.00000 0.50000 0.00000 1.00000
  Pr8 Pr 0.00000 0.50000 0.50000 1.00000
  Pr9 Pr 0.50000 0.24822 0.00000 1.00000
  Pr10 Pr 0.50000 0.75178 0.50000 1.00000
  Pr11 Pr 0.50000 0.75178 0.00000 1.00000
  Pr12 Pr 0.50000 0.24822 0.50000 1.00000
  Pr13 Pr 0.66620 0.50000 0.25000 1.00000
  Pr14 Pr 0.33380 0.50000 0.75000 1.00000
  Sm1 Sm 0.66792 0.00000 0.25000 1.00000
  Sm2 Sm 0.33208 0.00000 0.75000 1.00000
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