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PmHo2Fe9

Alexandria ALEX

Alex-ID: agm044238746 · Space group: P6_3/mmc (#194)

Alexandria Database API

Basic Information

Formula
PmHo2Fe9
Alex-ID
agm044238746
Elements
3
Sites
24
Space group
P6_3/mmc (#194)
Crystal system
hexagonal
Volume
365.93
ų
Cell a
5.1164
Å
Cell b
5.1164
Å
Cell c
16.1414
Å
α angle
90.00
°
β angle
90.00
°
γ angle
120.00
°

Composition

Element Composition (atomic fraction)
Composition Info
Formula
PmHo2Fe9
Pm
2.00 · 8.3%
Ho
4.00 · 16.7%
Fe
18.00 · 75.0%

Energy & Stability

Energy above hull
0.0158
eV/atom
Formation energy
-0.0521
eV/atom
Corrected total energy
-181.3946
eV
Raw total energy
-181.3946
eV

Electronic Structure

Indirect band gap
0.0000
eV
Direct band gap
0.0066
eV
DOS at Fermi level
29.7427
Total magnetisation
34.1241
μB

Additional Information

Prototype ID

AB2C9_13_spg194

Decomposition

Ho5Fe19 Pm Fe

Computed at

2025-01-14 12:27:40

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: agm044238746).

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 agm044238746
data_agm044238746
_cell_length_a     5.11638
_cell_length_b     5.11638
_cell_length_c     16.14140
_cell_angle_alpha  90.00000
_cell_angle_beta   90.00000
_cell_angle_gamma  120.00000
_cell_volume       365.93005
_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 0.33333 0.66667 0.75000 1.00000
  Pm2 Pm 0.66667 0.33333 0.25000 1.00000
  Ho1 Ho 0.33333 0.66667 0.53677 1.00000
  Ho2 Ho 0.66667 0.33333 0.03677 1.00000
  Ho3 Ho 0.66667 0.33333 0.46323 1.00000
  Ho4 Ho 0.33333 0.66667 0.96323 1.00000
  Fe1 Fe 0.00000 0.00000 0.00000 1.00000
  Fe2 Fe 0.00000 0.00000 0.50000 1.00000
  Fe3 Fe 0.00000 0.00000 0.25000 1.00000
  Fe4 Fe 0.00000 0.00000 0.75000 1.00000
  Fe5 Fe 0.33333 0.66667 0.25000 1.00000
  Fe6 Fe 0.66667 0.33333 0.75000 1.00000
  Fe7 Fe 0.16685 0.33371 0.12631 1.00000
  Fe8 Fe 0.66629 0.83315 0.12631 1.00000
  Fe9 Fe 0.16685 0.83315 0.12631 1.00000
  Fe10 Fe 0.83315 0.66629 0.62631 1.00000
  Fe11 Fe 0.33371 0.16685 0.62631 1.00000
  Fe12 Fe 0.83315 0.16685 0.62631 1.00000
  Fe13 Fe 0.33371 0.16685 0.87369 1.00000
  Fe14 Fe 0.83315 0.66629 0.87369 1.00000
  Fe15 Fe 0.83315 0.16685 0.87369 1.00000
  Fe16 Fe 0.66629 0.83315 0.37369 1.00000
  Fe17 Fe 0.16685 0.33371 0.37369 1.00000
  Fe18 Fe 0.16685 0.83315 0.37369 1.00000
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