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Pm7Sm3Er

Alexandria ALEX

Alex-ID: agm005979643 · Space group: C2/c (#15)

Basic Information

Formula
Pm7Sm3Er
Alex-ID
agm005979643
Elements
3
Sites
22
Space group
C2/c (#15)
Crystal system
monoclinic
Volume
788.21
ų
Cell a
10.2795
Å
Cell b
10.2792
Å
Cell c
12.5696
Å
α angle
113.99
°
β angle
66.01
°
γ angle
138.79
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm7Sm3Er
Pm
14.00 · 63.6%
Sm
6.00 · 27.3%
Er
2.00 · 9.1%

Energy & Stability

Energy above hull
0.1848
eV/atom
Formation energy
0.1830
eV/atom
Corrected total energy
-99.9495
eV
Raw total energy
-99.9495
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0087
eV
DOS at Fermi level
35.2252
Total magnetisation
0.0002
μB

Additional Information

Prototype ID

AB3C7_304_spg15

Decomposition

Pm2SmEr6 PmSm2 Pm

Computed at

2023-08-12 09:41:44.679329

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: agm005979643).

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 agm005979643
data_agm005979643
_cell_length_a     10.27950
_cell_length_b     10.27925
_cell_length_c     12.56962
_cell_angle_alpha  113.98751
_cell_angle_beta   66.01383
_cell_angle_gamma  138.78894
_cell_volume       788.21069
_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 0.16292 0.84048 0.22417 1.00000
  Pm2 Pm 0.15954 0.83723 0.72425 1.00000
  Pm3 Pm 0.08548 0.42079 0.52970 1.00000
  Pm4 Pm 0.08200 0.41800 0.02969 1.00000
  Pm5 Pm 0.57923 0.91442 0.02961 1.00000
  Pm6 Pm 0.58197 0.91801 0.52971 1.00000
  Pm7 Pm 0.27274 0.27283 0.75005 1.00000
  Pm8 Pm 0.72726 0.72717 0.24995 1.00000
  Pm9 Pm 0.42077 0.08557 0.97039 1.00000
  Pm10 Pm 0.41804 0.08200 0.47029 1.00000
  Pm11 Pm 0.91799 0.58199 0.97031 1.00000
  Pm12 Pm 0.91452 0.57921 0.47029 1.00000
  Pm13 Pm 0.84046 0.16277 0.27575 1.00000
  Pm14 Pm 0.83707 0.15951 0.77583 1.00000
  Sm1 Sm 0.33483 0.66893 0.77499 1.00000
  Sm2 Sm 1.00000 1.00000 0.00000 1.00000
  Sm3 Sm 0.00000 0.00000 0.50000 1.00000
  Sm4 Sm 0.33109 0.66500 0.27490 1.00000
  Sm5 Sm 0.66892 0.33500 0.72510 1.00000
  Sm6 Sm 0.66517 0.33107 0.22501 1.00000
  Er1 Er 0.50000 0.50000 0.00000 1.00000
  Er2 Er 0.50000 0.50000 0.50000 1.00000
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