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PmSm3P4

Alexandria ALEX

Alex-ID: agm003560892 · Space group: Cmmm (#65)

Alexandria Database API

Basic Information

Formula
PmSm3P4
Alex-ID
agm003560892
Elements
3
Sites
8
Space group
Cmmm (#65)
Crystal system
orthorhombic
Volume
196.92
ų
Cell a
4.1159
Å
Cell b
7.1234
Å
Cell c
7.1234
Å
α angle
109.45
°
β angle
90.00
°
γ angle
90.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmSm3P4
Pm
1.00 · 12.5%
Sm
3.00 · 37.5%
P
4.00 · 50.0%

Energy & Stability

Energy above hull
0.0026
eV/atom
Formation energy
-1.5687
eV/atom
Corrected total energy
-53.1102
eV
Raw total energy
-53.1102
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0016
eV
DOS at Fermi level
0.6875
Total magnetisation
0.0000
μB

Additional Information

Prototype ID

AB3C4_8_spg65

Decomposition

PmSm3P4

Computed at

2022-04-01 12:10:29.303692

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: agm003560892).

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 agm003560892
data_agm003560892
_cell_length_a     4.11585
_cell_length_b     7.12337
_cell_length_c     7.12337
_cell_angle_alpha  109.45416
_cell_angle_beta   90.00000
_cell_angle_gamma  90.00000
_cell_volume       196.92483
_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 0.50000 0.00000 0.00000 1.00000
  Sm1 Sm 0.00000 0.00000 0.50000 1.00000
  Sm2 Sm 0.50000 0.50000 0.50000 1.00000
  Sm3 Sm 0.00000 0.50000 0.00000 1.00000
  P1 P 0.00000 0.25101 0.25101 1.00000
  P2 P 0.50000 0.74957 0.25043 1.00000
  P3 P 0.00000 0.74899 0.74899 1.00000
  P4 P 0.50000 0.25043 0.74957 1.00000
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