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PmPr2Sm9

Alexandria ALEX

Alex-ID: agm017014270 · Space group: P-31m (#162)

Basic Information

Formula
PmPr2Sm9
Alex-ID
agm017014270
Elements
3
Sites
12
Space group
P-31m (#162)
Crystal system
trigonal
Volume
410.36
ų
Cell a
6.3385
Å
Cell b
6.3385
Å
Cell c
11.7940
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmPr2Sm9
Pm
1.00 · 8.3%
Pr
2.00 · 16.7%
Sm
9.00 · 75.0%

Energy & Stability

Energy above hull
0.0071
eV/atom
Formation energy
0.0036
eV/atom
Corrected total energy
-56.7870
eV
Raw total energy
-56.7870
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0046
eV
DOS at Fermi level
13.3841
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB2C9_352_spg162

Decomposition

PrSm4 Pm2Pr PmSm2

Computed at

2025-01-21 19:05:02

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: agm017014270).

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 agm017014270
data_agm017014270
_cell_length_a     6.33849
_cell_length_b     6.33849
_cell_length_c     11.79400
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       410.35902
_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
  Pm1 Pm 0.00000 0.00000 0.00000 1.00000
  Pr1 Pr 0.66667 0.33333 0.00000 1.00000
  Pr2 Pr 0.33333 0.66667 0.00000 1.00000
  Sm1 Sm 0.33273 0.00000 0.25154 1.00000
  Sm2 Sm 0.00000 0.66727 0.74846 1.00000
  Sm3 Sm 0.66727 0.00000 0.74846 1.00000
  Sm4 Sm 0.66727 0.66727 0.25154 1.00000
  Sm5 Sm 0.00000 0.33273 0.25154 1.00000
  Sm6 Sm 0.33273 0.33273 0.74846 1.00000
  Sm7 Sm 0.33333 0.66667 0.50000 1.00000
  Sm8 Sm 0.66667 0.33333 0.50000 1.00000
  Sm9 Sm 0.00000 0.00000 0.50000 1.00000
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