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Pm3ErCo8

Alexandria ALEX

Alex-ID: agm005993164 · Space group: R3m (#160)

Basic Information

Formula
Pm3ErCo8
Alex-ID
agm005993164
Elements
3
Sites
12
Space group
R3m (#160)
Crystal system
trigonal
Volume
190.30
ų
Cell a
5.1226
Å
Cell b
5.1226
Å
Cell c
8.8811
Å
α angle
73.24
°
β angle
73.24
°
γ angle
60.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
Pm3ErCo8
Pm
3.00 · 25.0%
Er
1.00 · 8.3%
Co
8.00 · 66.7%

Energy & Stability

Energy above hull
0.0338
eV/atom
Formation energy
-0.0962
eV/atom
Corrected total energy
-76.9596
eV
Raw total energy
-76.9596
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0095
eV
DOS at Fermi level
17.6584
Total magnetisation
7.5174
μB

Additional Information

Prototype ID

AB3C8_29_spg160

Decomposition

Pm2Co17 ErCo3 PmCo

Computed at

2023-09-07 23:52:41.400309

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: agm005993164).

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 agm005993164
data_agm005993164
_cell_length_a     5.12256
_cell_length_b     5.12256
_cell_length_c     8.88107
_cell_angle_alpha  73.23797
_cell_angle_beta   73.23798
_cell_angle_gamma  60.00000
_cell_volume       190.30295
_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 0.37476 0.37476 0.87571 1.00000
  Pm2 Pm 0.99992 0.99992 0.00024 1.00000
  Pm3 Pm 0.49999 0.49999 0.50004 1.00000
  Er1 Er 0.87519 0.87519 0.37442 1.00000
  Co1 Co 0.93398 0.43714 0.19173 1.00000
  Co2 Co 0.44248 0.93704 0.68344 1.00000
  Co3 Co 0.43714 0.43714 0.19173 1.00000
  Co4 Co 0.93704 0.93704 0.68344 1.00000
  Co5 Co 0.18795 0.18795 0.43616 1.00000
  Co6 Co 0.68735 0.68735 0.93794 1.00000
  Co7 Co 0.43714 0.93398 0.19173 1.00000
  Co8 Co 0.93704 0.44248 0.68344 1.00000
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