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Pm3Sm2Dy7

Alexandria ALEX

Alex-ID: agm022692003 · Space group: P-31m (#162)

Basic Information

Formula
Pm3Sm2Dy7
Alex-ID
agm022692003
Elements
3
Sites
12
Space group
P-31m (#162)
Crystal system
trigonal
Volume
389.01
ų
Cell a
6.2270
Å
Cell b
6.2270
Å
Cell c
11.5844
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm3Sm2Dy7
Pm
3.00 · 25.0%
Sm
2.00 · 16.7%
Dy
7.00 · 58.3%

Energy & Stability

Energy above hull
0.0048
eV/atom
Formation energy
-0.0014
eV/atom
Corrected total energy
-55.9420
eV
Raw total energy
-55.9420
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0169
eV
DOS at Fermi level
14.1883
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C7_481_spg162

Decomposition

PmSm3Dy4 SmDy5 Pm3SmDy4

Computed at

2025-01-01 02:27:26

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: agm022692003).

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 agm022692003
data_agm022692003
_cell_length_a     6.22702
_cell_length_b     6.22702
_cell_length_c     11.58441
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       389.01349
_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 0.66667 0.33333 0.50000 1.00000
  Pm2 Pm 0.33333 0.66667 0.50000 1.00000
  Pm3 Pm 0.00000 0.00000 0.50000 1.00000
  Sm1 Sm 0.33333 0.66667 0.00000 1.00000
  Sm2 Sm 0.66667 0.33333 0.00000 1.00000
  Dy1 Dy 0.00000 0.00000 0.00000 1.00000
  Dy2 Dy 0.33273 0.00000 0.24892 1.00000
  Dy3 Dy 0.33273 0.33273 0.75108 1.00000
  Dy4 Dy 0.66727 0.00000 0.75108 1.00000
  Dy5 Dy 0.00000 0.33273 0.24892 1.00000
  Dy6 Dy 0.66727 0.66727 0.24892 1.00000
  Dy7 Dy 0.00000 0.66727 0.75108 1.00000
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