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Pm3Nd5Sm2

Alexandria ALEX

Alex-ID: agm003345192 · Space group: Ibam (#72)

Basic Information

Formula
Pm3Nd5Sm2
Alex-ID
agm003345192
Elements
3
Sites
20
Space group
Ibam (#72)
Crystal system
orthorhombic
Volume
740.04
ų
Cell a
6.9297
Å
Cell b
12.6306
Å
Cell c
12.6306
Å
α angle
44.50
°
β angle
74.08
°
γ angle
74.08
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm3Nd5Sm2
Pm
6.00 · 30.0%
Nd
10.00 · 50.0%
Sm
4.00 · 20.0%

Energy & Stability

Energy above hull
0.3553
eV/atom
Formation energy
0.3534
eV/atom
Corrected total energy
-88.0539
eV
Raw total energy
-88.0539
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0080
eV
DOS at Fermi level
31.1323
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

A2B3C5_151_spg72

Decomposition

PmNd3Sm4 Pm2Nd Nd

Computed at

2022-02-02 11:03:28.262767

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: agm003345192).

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 agm003345192
data_agm003345192
_cell_length_a     6.92972
_cell_length_b     12.63061
_cell_length_c     12.63061
_cell_angle_alpha  44.49945
_cell_angle_beta   74.07838
_cell_angle_gamma  74.07836
_cell_volume       740.04101
_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 0.25000 0.00000 0.00000 1.00000
  Pm2 Pm 0.75000 0.00000 0.00000 1.00000
  Pm3 Pm 0.37648 0.37283 0.87420 1.00000
  Pm4 Pm 0.62352 0.62717 0.12580 1.00000
  Pm5 Pm 0.87648 0.87420 0.37283 1.00000
  Pm6 Pm 0.12352 0.12580 0.62717 1.00000
  Nd1 Nd 0.25000 0.50000 0.50000 1.00000
  Nd2 Nd 0.75000 0.50000 0.50000 1.00000
  Nd3 Nd 0.49951 0.75049 0.75049 1.00000
  Nd4 Nd 0.00049 0.24951 0.24951 1.00000
  Nd5 Nd 0.50049 0.24951 0.24951 1.00000
  Nd6 Nd 0.99951 0.75049 0.75049 1.00000
  Nd7 Nd 0.12503 0.47302 0.27692 1.00000
  Nd8 Nd 0.87497 0.52698 0.72308 1.00000
  Nd9 Nd 0.62503 0.27692 0.47302 1.00000
  Nd10 Nd 0.37497 0.72308 0.52698 1.00000
  Sm1 Sm 0.12449 0.78255 0.96848 1.00000
  Sm2 Sm 0.87551 0.21745 0.03152 1.00000
  Sm3 Sm 0.62449 0.96848 0.78255 1.00000
  Sm4 Sm 0.37551 0.03152 0.21745 1.00000
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